diff --git a/Gemfile b/Gemfile
index bb142816d..6484c2565 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,9 @@ source 'https://rubygems.org'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '5.0.0.1'
 
+gem 'actioncable', '5.0.0.1'
+gem 'redis'
+
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
@@ -116,6 +119,8 @@ group :development do
   # Access an IRB console on exception pages or by using <%= console %> in views
 
   gem 'web-console'
+
+  gem 'rack-handlers'
 end
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 3d8969e9e..ebf23e02c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -417,6 +417,8 @@ GEM
       pry (~> 0.10)
     public_suffix (2.0.4)
     rack (2.0.1)
+    rack-handlers (0.7.3)
+      rack
     rack-oauth2 (1.4.0)
       activesupport (>= 2.3)
       attr_required (>= 0.0.5)
@@ -465,6 +467,7 @@ GEM
       nokogiri (~> 1.5)
       trollop (~> 2.1)
     rdoc (4.3.0)
+    redis (3.3.0)
     ref (2.0.0)
     request_store (1.3.1)
     responders (2.3.0)
@@ -624,6 +627,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  actioncable (= 5.0.0.1)
   active_model_serializers
   apipie-rails
   as_csv
@@ -665,9 +669,11 @@ DEPENDENCIES
   pg
   poltergeist
   pry-byebug
+  rack-handlers
   railroady
   rails (= 5.0.0.1)
   rails-controller-testing
+  redis
   rest-client
   rgeo-geojson
   rspec-rails (~> 3.0)
diff --git a/app/assets/javascripts/cable.js b/app/assets/javascripts/cable.js
new file mode 100644
index 000000000..9139c80fd
--- /dev/null
+++ b/app/assets/javascripts/cable.js
@@ -0,0 +1,13 @@
+// Action Cable provides the framework to deal with WebSockets in Rails.
+// You can generate new channels where WebSocket features live using the rails generate channel command.
+//
+//= require action_cable
+//= require_self
+//= require_tree ./channels
+
+(function() {
+    this.App || (this.App = {});
+
+    App.cable = ActionCable.createConsumer();
+
+}).call(this);
diff --git a/app/assets/javascripts/channels/notifications.js b/app/assets/javascripts/channels/notifications.js
new file mode 100644
index 000000000..78248d290
--- /dev/null
+++ b/app/assets/javascripts/channels/notifications.js
@@ -0,0 +1,23 @@
+App.messages = App.cable.subscriptions.create('NotificationsChannel', {
+    received: function (data) {
+        if (window.location.href.indexOf('backoffice') !== -1) {
+            $("#notification_alert").html(data['message']);
+
+            slideIn_notification_alert();
+        }
+    }
+});
+
+function slideIn_notification_alert (){
+    $("#notification_alert").animate({
+        right: '20px'
+    }, 250);
+
+    setTimeout(slideOut_notification_alert, 3500);
+}
+
+function slideOut_notification_alert (){
+    $("#notification_alert").animate({
+        right: '-250px'
+    }, 200);
+}
\ No newline at end of file
diff --git a/app/assets/javascripts/dossiers.js b/app/assets/javascripts/dossiers.js
index adc57a499..c294b6c16 100644
--- a/app/assets/javascripts/dossiers.js
+++ b/app/assets/javascripts/dossiers.js
@@ -1,5 +1,22 @@
 $(document).on('page:load', the_terms);
 $(document).ready(the_terms);
+$(document).on('page:load', pannel_switch);
+$(document).ready(pannel_switch);
+
+function pannel_switch() {
+  $('#switch-notifications').click(function () {
+    $('#procedure_list').addClass('hidden');
+    $('#notifications_list').removeClass('hidden');
+    $(this).addClass('active');
+    $('#switch-procedures').removeClass('active');
+  })
+  $('#switch-procedures').click(function () {
+    $('#notifications_list').addClass('hidden');
+    $('#procedure_list').removeClass('hidden');
+    $(this).addClass('active');
+    $('#switch-notifications').removeClass('active');
+  })
+}
 
 function the_terms() {
     var the_terms = $("#dossier_autorisation_donnees");
diff --git a/app/assets/javascripts/dossiers_list_link.js b/app/assets/javascripts/dossiers_list_link.js
index 1764dd571..09fb31542 100644
--- a/app/assets/javascripts/dossiers_list_link.js
+++ b/app/assets/javascripts/dossiers_list_link.js
@@ -1,9 +1,8 @@
 $(document).on('page:load', link_init);
 $(document).ready(link_init);
 
-
 function link_init() {
-    $('#dossiers_list tr').on('click', function () {
-        $(location).attr('href', $(this).data('dossier_url'))
-    });
-}
\ No newline at end of file
+  $('#dossiers_list tr').on('click', function () {
+    $(location).attr('href', $(this).data('dossier_url'))
+  });
+}
diff --git a/app/assets/stylesheets/dossiers.scss b/app/assets/stylesheets/dossiers.scss
index 61dcf0a52..31fe3e57b 100644
--- a/app/assets/stylesheets/dossiers.scss
+++ b/app/assets/stylesheets/dossiers.scss
@@ -42,24 +42,22 @@ h5 span {
   cursor: pointer;
 }
 
-#procedure_list {
+#procedure_list, #notifications_list {
   margin-left: -10px;
   margin-top: 20px;
   a, a:hover {
     color: #FFFFFF;
     text-decoration: none;
   }
-
-  .procedure_list_element.active{
+  .procedure_list_element.active, .notification.active {
     background-color: #668ABD;
   }
-
-  .procedure_list_element {
+  .procedure_list_element, .notification {
     padding: 15px 40px 15px 20px;
     cursor: pointer;
     line-height: 1.8em;
   }
-  .procedure_list_element:hover{
+  .procedure_list_element:hover, .notification:hover {
     background-color: #668ABD;
     cursor: pointer;
   }
@@ -67,5 +65,5 @@ h5 span {
 
 .split-hr-left {
   border-bottom: 1px solid #FFFFFF;
-  margin: 20px 10px 0px 0;
+  margin: 20px 10px 0px 10px;
 }
diff --git a/app/assets/stylesheets/left_pannel.scss b/app/assets/stylesheets/left_pannel.scss
index 7debdf58c..08aadf3a1 100644
--- a/app/assets/stylesheets/left_pannel.scss
+++ b/app/assets/stylesheets/left_pannel.scss
@@ -1,6 +1,6 @@
 #left-pannel {
   margin-top: 60px;
-  padding: 0 0 0 10px;
+  padding: 0;
   background-color: #003189;
   height: calc(100% - 60px);
   position: fixed;
@@ -51,6 +51,53 @@
     }
   }
   #menu-block {
+    #switch-buttons {
+      height: 30px;
+      line-height: 30px;
+      font-size: 16px;
+      margin-top: 20px;
+      margin-left: auto;
+      margin-right: auto;
+      width: 205px;
+      border: 1px solid;
+      padding: 0 0 0 10px;
+      border-radius: 25px;
+      cursor: pointer;
+      .active {
+        background-color: #668ABD !important;
+        cursor: default;
+      }
+      .separator {
+        height: 26px;
+        width: 1px;
+        display: inline-block;
+        background-color: #FFFFFF;
+      }
+      #switch-procedures:hover, #switch-notifications:hover {
+        background-color: #668AEA;
+      }
+      #switch-procedures {
+        height: 28px;
+        margin: 0 0 0 -10px;
+        padding-left: 10px;
+        width: 100px;
+        display: inline-block;
+        border-radius: 25px 0 0 25px;
+      }
+      #switch-notifications {
+        width: 103px;
+        display: inline-block;
+        border-radius: 0 25px 25px 0;
+        height: 28px;
+        margin: 0 0 0 -5px;
+        padding: 0 0 0 5px;
+      }
+    }
+    .split-hr {
+      border-bottom: 1px solid #FFFFFF;
+      width: 200px;
+      margin: 20px 0 20px 0;
+    }
   }
   #infos-block {
     .split-hr {
@@ -63,18 +110,42 @@
       font-size: 25px;
       width: 200px;
       margin-top: 20px;
+      width: 200px;
+      margin-left: auto;
+      margin-right: auto;
     }
-    .tips {
-      margin: 0 10px 0 5px;
-      .fa {
-        color: #FFFFFF;
-        font-size: 40px;
-        width: inherit;
-        padding: 5px;
+    #notifications_list {
+      .notification {
+        padding: 10px 10px 10px 20px;
+        .dossier, .updated-at {
+          display: inline-block;
+          color: #CCCCCC;
+          font-size: 12px;
+          text-align: left;
+        }
       }
-      .notice {
-        font-size: 18px;
-        display: initial;
+    }
+    .notifications {
+      margin: 20px 10px 0 5px;
+      .fa {
+        font-size: 25px;
+        width: 100%;
+        margin: 0 0 15px 0;
+      }
+      .notification {
+        margin: 10px 0 10px 10px;
+        .type {
+          margin-bottom: 20px;
+        }
+        .updated-at {
+          color: #CCCCCC;
+          font-size: 12px;
+          text-align: left;
+        }
+        .split-hr {
+          width: 40px;
+          margin: auto;
+        }
       }
     }
   }
diff --git a/app/assets/stylesheets/notification_alert.scss b/app/assets/stylesheets/notification_alert.scss
new file mode 100644
index 000000000..caf95bdf9
--- /dev/null
+++ b/app/assets/stylesheets/notification_alert.scss
@@ -0,0 +1,12 @@
+#notification_alert {
+  position: fixed;
+  top: 20px;
+  right: -250px;
+
+  z-index: 1000;
+
+  width: 250px;
+  height: 80px;
+
+  border: solid black 1px;
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/search.scss b/app/assets/stylesheets/search.scss
index 969d5b7a6..ce3219ac5 100644
--- a/app/assets/stylesheets/search.scss
+++ b/app/assets/stylesheets/search.scss
@@ -1,5 +1,5 @@
 #search-block{
-  margin: 15px 10px 0 0;
+  margin: 15px 10px 0 10px;
   height: 30px;
 }
 
diff --git a/app/channels/application_cable/channel.rb b/app/channels/application_cable/channel.rb
new file mode 100644
index 000000000..d56fa30f4
--- /dev/null
+++ b/app/channels/application_cable/channel.rb
@@ -0,0 +1,5 @@
+# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading.
+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end
diff --git a/app/channels/application_cable/connection.rb b/app/channels/application_cable/connection.rb
new file mode 100644
index 000000000..b4f41389a
--- /dev/null
+++ b/app/channels/application_cable/connection.rb
@@ -0,0 +1,5 @@
+# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading.
+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end
diff --git a/app/channels/notifications_channel.rb b/app/channels/notifications_channel.rb
new file mode 100644
index 000000000..a57c0f242
--- /dev/null
+++ b/app/channels/notifications_channel.rb
@@ -0,0 +1,5 @@
+class NotificationsChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from 'notifications'
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/backoffice/dossiers_controller.rb b/app/controllers/backoffice/dossiers_controller.rb
index 3537d6c5e..73fd4ec13 100644
--- a/app/controllers/backoffice/dossiers_controller.rb
+++ b/app/controllers/backoffice/dossiers_controller.rb
@@ -19,6 +19,7 @@ class Backoffice::DossiersController < Backoffice::DossiersListController
 
   def show
     create_dossier_facade params[:id]
+
     unless @facade.nil?
       @champs_private = @facade.champs_private
 
@@ -27,6 +28,8 @@ class Backoffice::DossiersController < Backoffice::DossiersListController
         acc
       end
     end
+
+    Notification.where(dossier_id: params[:id].to_i).update_all already_read: true
   end
 
   def filter
diff --git a/app/controllers/commentaires_controller.rb b/app/controllers/commentaires_controller.rb
index 06c7edc19..cdf3cb747 100644
--- a/app/controllers/commentaires_controller.rb
+++ b/app/controllers/commentaires_controller.rb
@@ -1,9 +1,9 @@
 class CommentairesController < ApplicationController
   def index
     @facade = DossierFacades.new(
-      params[:dossier_id],
-      (current_gestionnaire || current_user).email,
-      params[:champs_id]
+        params[:dossier_id],
+        (current_gestionnaire || current_user).email,
+        params[:champs_id]
     )
     render layout: false
   rescue ActiveRecord::RecordNotFound
@@ -48,12 +48,15 @@ class CommentairesController < ApplicationController
       end
 
       NotificationMailer.new_answer(@commentaire.dossier).deliver_now! if saved
+
       redirect_to url_for(controller: 'backoffice/dossiers', action: :show, id: params['dossier_id'])
-    elsif current_user.email != @commentaire.dossier.user.email
-      invite = Invite.where(dossier: @commentaire.dossier, user: current_user).first
-      redirect_to url_for(controller: 'users/dossiers/invites', action: :show, id: invite.id)
     else
-      redirect_to url_for(controller: :recapitulatif, action: :show, dossier_id: params['dossier_id'])
+      if current_user.email != @commentaire.dossier.user.email
+        invite = Invite.where(dossier: @commentaire.dossier, user: current_user).first
+        redirect_to url_for(controller: 'users/dossiers/invites', action: :show, id: invite.id)
+      else
+        redirect_to url_for(controller: :recapitulatif, action: :show, dossier_id: params['dossier_id'])
+      end
     end
   end
 
diff --git a/app/decorators/notification_decorator.rb b/app/decorators/notification_decorator.rb
new file mode 100644
index 000000000..911471e1a
--- /dev/null
+++ b/app/decorators/notification_decorator.rb
@@ -0,0 +1,8 @@
+class NotificationDecorator < Draper::Decorator
+  delegate_all
+
+  def index_display
+    ['champs', 'piece_justificative'].include?(type_notif) ? type = liste.join(" ") : type = liste.last
+    { dossier: "Dossier n°#{dossier.id}", date: updated_at.strftime('%d/%m %H:%M'), type: type }
+  end
+end
diff --git a/app/facades/dossier_facades.rb b/app/facades/dossier_facades.rb
index b0b622ae6..6893f4bcb 100644
--- a/app/facades/dossier_facades.rb
+++ b/app/facades/dossier_facades.rb
@@ -10,6 +10,10 @@ class DossierFacades
     @dossier.decorate
   end
 
+  def last_notifications
+    @dossier.notifications.order("updated_at DESC").limit(5)
+  end
+
   def champs
     @dossier.ordered_champs
   end
diff --git a/app/facades/dossiers_list_facades.rb b/app/facades/dossiers_list_facades.rb
index bed18c852..d32cb0eb4 100644
--- a/app/facades/dossiers_list_facades.rb
+++ b/app/facades/dossiers_list_facades.rb
@@ -26,8 +26,16 @@ class DossiersListFacades
     current_devise_profil.dossiers.where(state: :initiated, archived: false).count
   end
 
+  def new_dossier_number procedure_id
+    current_devise_profil.dossiers.where(state: :initiated, archived: false, procedure_id: procedure_id).count
+  end
+
   def gestionnaire_procedures_name_and_id_list
-    @current_devise_profil.procedures.order('libelle ASC').inject([]) { |acc, procedure| acc.push({id: procedure.id, libelle: procedure.libelle}) }
+    @current_devise_profil.procedures.order('libelle ASC').inject([]) { |acc, procedure| acc.push({id: procedure.id, libelle: procedure.libelle, unread_notifications: @current_devise_profil.notifications_for(procedure)}) }
+  end
+
+  def unread_notifications
+    current_devise_profil.notifications
   end
 
   def procedure_id
@@ -130,4 +138,4 @@ class DossiersListFacades
     @procedure.nil? ? backoffice_dossiers_path(liste: liste) : backoffice_dossiers_procedure_path(id: @procedure.id, liste: liste)
   end
 
-end
\ No newline at end of file
+end
diff --git a/app/facades/invite_dossier_facades.rb b/app/facades/invite_dossier_facades.rb
index 63e9b5a61..cda91257e 100644
--- a/app/facades/invite_dossier_facades.rb
+++ b/app/facades/invite_dossier_facades.rb
@@ -2,6 +2,6 @@ class InviteDossierFacades < DossierFacades
 
   #TODO rechercher en fonction de la personne/email
   def initialize dossier_id, email
-    @dossier = (Invite.where(email: email).find(dossier_id)).dossier
+    @dossier = Invite.where(email: email, dossier_id: dossier_id).first!.dossier
   end
 end
\ No newline at end of file
diff --git a/app/jobs/application_job.rb b/app/jobs/application_job.rb
new file mode 100644
index 000000000..a009ace51
--- /dev/null
+++ b/app/jobs/application_job.rb
@@ -0,0 +1,2 @@
+class ApplicationJob < ActiveJob::Base
+end
diff --git a/app/models/application_record.rb b/app/models/application_record.rb
new file mode 100644
index 000000000..10a4cba84
--- /dev/null
+++ b/app/models/application_record.rb
@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  self.abstract_class = true
+end
diff --git a/app/models/cerfa.rb b/app/models/cerfa.rb
index 0022ad244..6d6d0c702 100644
--- a/app/models/cerfa.rb
+++ b/app/models/cerfa.rb
@@ -5,6 +5,8 @@ class Cerfa < ActiveRecord::Base
   mount_uploader :content, CerfaUploader
   validates :content, :file_size => {:maximum => 20.megabytes}
 
+  after_save :internal_notification, if: Proc.new { !dossier.nil? }
+
   def empty?
     content.blank?
   end
@@ -18,4 +20,12 @@ class Cerfa < ActiveRecord::Base
       end
     end
   end
+
+  private
+
+  def internal_notification
+    unless dossier.state == 'draft'
+      NotificationService.new('cerfa', self.dossier.id).notify
+    end
+  end
 end
\ No newline at end of file
diff --git a/app/models/champ.rb b/app/models/champ.rb
index f6ba23268..e4a6e820e 100644
--- a/app/models/champ.rb
+++ b/app/models/champ.rb
@@ -5,6 +5,8 @@ class Champ < ActiveRecord::Base
 
   delegate :libelle, :type_champ, :order_place, :mandatory, :description, :drop_down_list, to: :type_de_champ
 
+  after_save :internal_notification, if: Proc.new { !dossier.nil? }
+
   def mandatory?
     mandatory
   end
@@ -36,14 +38,22 @@ class Champ < ActiveRecord::Base
   end
 
   def self.regions
-    JSON.parse(Carto::GeoAPI::Driver.regions).sort_by{|e| e['nom']}.inject([]){|acc, liste| acc.push(liste['nom']) }
+    JSON.parse(Carto::GeoAPI::Driver.regions).sort_by { |e| e['nom'] }.inject([]) { |acc, liste| acc.push(liste['nom']) }
   end
 
   def self.departements
-    JSON.parse(Carto::GeoAPI::Driver.departements).inject([]){|acc, liste| acc.push(liste['code'] + ' - ' + liste['nom']) }.push('99 - Étranger')
+    JSON.parse(Carto::GeoAPI::Driver.departements).inject([]) { |acc, liste| acc.push(liste['code'] + ' - ' + liste['nom']) }.push('99 - Étranger')
   end
 
   def self.pays
-    JSON.parse(Carto::GeoAPI::Driver.pays).inject([]){|acc, liste| acc.push(liste['nom']) }
+    JSON.parse(Carto::GeoAPI::Driver.pays).inject([]) { |acc, liste| acc.push(liste['nom']) }
+  end
+
+  private
+
+  def internal_notification
+    unless dossier.state == 'draft'
+      NotificationService.new('champs', self.dossier.id, self.libelle).notify
+    end
   end
 end
diff --git a/app/models/commentaire.rb b/app/models/commentaire.rb
index 463285482..09c147dd4 100644
--- a/app/models/commentaire.rb
+++ b/app/models/commentaire.rb
@@ -4,7 +4,17 @@ class Commentaire < ActiveRecord::Base
 
   belongs_to :piece_justificative
 
+  after_save :internal_notification
+
   def header
     "#{email}, " + created_at.localtime.strftime('%d %b %Y %H:%M')
   end
+
+  private
+
+  def internal_notification
+    if email == dossier.user.email || dossier.invites_user.pluck(:email).to_a.include?(email)
+      NotificationService.new('commentaire', self.dossier.id).notify
+    end
+  end
 end
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index 344a583e7..8680dc64c 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -27,6 +27,7 @@ class Dossier < ActiveRecord::Base
   has_many :invites, dependent: :destroy
   has_many :invites_user, class_name: 'InviteUser', dependent: :destroy
   has_many :follows
+  has_many :notifications, dependent: :destroy
 
   belongs_to :procedure
   belongs_to :user
@@ -41,6 +42,7 @@ class Dossier < ActiveRecord::Base
 
   after_save :build_default_champs, if: Proc.new { procedure_id_changed? }
   after_save :build_default_individual, if: Proc.new { procedure.for_individual? }
+  after_save :internal_notification
 
   validates :user, presence: true
 
@@ -326,4 +328,12 @@ class Dossier < ActiveRecord::Base
   def invite_by_user? email
     (invites_user.pluck :email).include? email
   end
+
+  private
+
+  def internal_notification
+    if state_changed? && state == 'submitted'
+      NotificationService.new('submitted', self.id).notify
+    end
+  end
 end
diff --git a/app/models/gestionnaire.rb b/app/models/gestionnaire.rb
index d98b2e742..580dc1b96 100644
--- a/app/models/gestionnaire.rb
+++ b/app/models/gestionnaire.rb
@@ -63,6 +63,22 @@ class Gestionnaire < ActiveRecord::Base
     PreferenceSmartListingPage.create(page: 1, procedure: nil, gestionnaire: self, liste: 'a_traiter')
   end
 
+  def notifications
+    Notification.where(already_read: false, dossier_id: follows.pluck(:dossier_id) ).order("updated_at DESC")
+  end
+
+  def notifications_for procedure
+    procedure_ids = dossiers_follow.pluck(:procedure_id)
+
+    if procedure_ids.include?(procedure.id)
+      return dossiers_follow.where(procedure_id: procedure.id)
+                 .inject(0) do |acc, dossier|
+        acc += dossier.notifications.where(already_read: false).count
+      end
+    end
+    0
+  end
+
   private
 
   def valid_couple_table_attr? table, column
diff --git a/app/models/notification.rb b/app/models/notification.rb
new file mode 100644
index 000000000..4ff810f37
--- /dev/null
+++ b/app/models/notification.rb
@@ -0,0 +1,19 @@
+class Notification < ActiveRecord::Base
+  belongs_to :dossier
+
+  # after_save :broadcast_notification
+
+  enum type_notif: {
+           commentaire: 'commentaire',
+           cerfa: 'cerfa',
+           piece_justificative: 'piece_justificative',
+           champs: 'champs',
+           submitted: 'submitted'
+       }
+
+  # def broadcast_notification
+  #   ActionCable.server.broadcast 'notifications',
+  #                                message: "Dossier n°#{self.dossier.id} : #{self.liste.last}",
+  #                                dossier: {id: self.dossier.id}
+  # end
+end
diff --git a/app/models/piece_justificative.rb b/app/models/piece_justificative.rb
index e1a0df9c8..0c2056b6a 100644
--- a/app/models/piece_justificative.rb
+++ b/app/models/piece_justificative.rb
@@ -13,6 +13,8 @@ class PieceJustificative < ActiveRecord::Base
   validates :content, :file_size => {:maximum => 20.megabytes}
   validates :content, presence: true, allow_blank: false, allow_nil: false
 
+  after_save :internal_notification, if: Proc.new { !dossier.nil? }
+
   def empty?
     content.blank?
   end
@@ -43,4 +45,12 @@ class PieceJustificative < ActiveRecord::Base
       image/jpeg
     "
   end
+
+  private
+
+  def internal_notification
+    unless self.type_de_piece_justificative.nil? && dossier.state == 'draft'
+      NotificationService.new('piece_justificative', self.dossier.id, self.libelle).notify
+    end
+  end
 end
diff --git a/app/services/champs_service.rb b/app/services/champs_service.rb
index faf25cf7c..04fdf9602 100644
--- a/app/services/champs_service.rb
+++ b/app/services/champs_service.rb
@@ -19,9 +19,9 @@ class ChampsService
         end
       end
 
-      champ.save
+      champ.save if champ.changed?
     end
 
     errors
   end
-end
\ No newline at end of file
+end
diff --git a/app/services/notification_service.rb b/app/services/notification_service.rb
new file mode 100644
index 000000000..01bfe97e3
--- /dev/null
+++ b/app/services/notification_service.rb
@@ -0,0 +1,42 @@
+class NotificationService
+
+  def initialize type_notif, dossier_id, attribut_change=''
+    @type_notif = type_notif
+    @dossier_id = dossier_id
+
+    notification.liste.push text_for_notif attribut_change
+    notification.liste = notification.liste.uniq
+
+    self
+  end
+
+  def notify
+    notification.save
+  end
+
+  def notification
+    @notification ||=
+        begin
+          Notification.find_by! dossier_id: @dossier_id, already_read: false, type_notif: @type_notif
+        rescue ActiveRecord::RecordNotFound
+          Notification.new dossier_id: @dossier_id, type_notif: @type_notif, liste: []
+        end
+  end
+
+  def text_for_notif attribut=''
+    case @type_notif
+      when 'commentaire'
+        "#{notification.liste.size + 1} nouveau(x) commentaire(s) déposé(s)."
+      when 'cerfa'
+        "Un nouveau formulaire a été déposé."
+      when 'piece_justificative'
+        attribut
+      when 'champs'
+        attribut
+      when 'submitted'
+        "Le dossier n°#{@dossier_id} a été déposé."
+      else
+        'Notification par défaut'
+    end
+  end
+end
diff --git a/app/services/sync_credentials_service.rb b/app/services/sync_credentials_service.rb
index 690323759..491ec1d55 100644
--- a/app/services/sync_credentials_service.rb
+++ b/app/services/sync_credentials_service.rb
@@ -35,4 +35,4 @@ class SyncCredentialsService
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/app/views/admin/procedures/_list.html.haml b/app/views/admin/procedures/_list.html.haml
index d9d054d03..31879e2f6 100644
--- a/app/views/admin/procedures/_list.html.haml
+++ b/app/views/admin/procedures/_list.html.haml
@@ -19,7 +19,7 @@
         %td
           = procedure.created_at_fr
         %td
-          = link_to('Cloner', admin_procedure_clone_path(procedure.id), 'data-method' => :put, class: 'btn-sm btn-primary')
+          = link_to('Cloner', admin_procedure_clone_path(procedure.id), 'data-method' => :put, class: 'btn-sm btn-primary clone-btn')
           - unless procedure.published? || procedure.archived?
             = link_to('X', url_for(controller: 'admin/procedures', action: :destroy, id: procedure.id), 'data-method' => :delete, class: 'btn-sm btn-danger')
 
diff --git a/app/views/backoffice/dossiers/_list.html.haml b/app/views/backoffice/dossiers/_list.html.haml
index 9e3249b3c..43e50eff7 100644
--- a/app/views/backoffice/dossiers/_list.html.haml
+++ b/app/views/backoffice/dossiers/_list.html.haml
@@ -1,5 +1,8 @@
 %table#dossiers_list.table
   %thead
+    - if smart_listing.name.to_s == 'follow_dossiers'
+      %th
+        %i.fa.fa-bell
     - @facade_data_view.preference_list_dossiers_filter.each do |preference|
       %th{class: "col-md-#{preference.bootstrap_lg} col-lg-#{preference.bootstrap_lg}"}
         - if preference.table.to_s.include? 'champs'
@@ -16,6 +19,15 @@
   - unless smart_listing.empty?
     - smart_listing.collection.each do |dossier|
       %tr.dossier-row{id: "tr_dossier_#{dossier.id}", 'data-dossier_url' => backoffice_dossier_url(id: dossier.id)}
+        - if smart_listing.name.to_s == 'follow_dossiers'
+          %td.center
+            - total_notif = dossier.notifications.where(already_read: false).count
+            - if total_notif == 0
+              .badge.progress-bar-default
+                = total_notif
+            - else
+              .badge.progress-bar-warning
+                = total_notif
         - @facade_data_view.preference_list_dossiers_filter.each_with_index do |preference, index|
           %td
             - if preference.table.nil? || preference.table.empty?
diff --git a/app/views/dossiers/_invites.html.haml b/app/views/dossiers/_invites.html.haml
index 2474ad7f5..72307147e 100644
--- a/app/views/dossiers/_invites.html.haml
+++ b/app/views/dossiers/_invites.html.haml
@@ -12,7 +12,7 @@
       Aucune personne invitée
 
   .col-md-3.col-sm-3.col-xs-3.col-lg-3
-    =form_tag invites_dossier_path(dossier_id: @facade.dossier.id), method: :post, class: 'form-inline' do
-      =text_field_tag :email, '', class: 'form-control', placeholder: 'Envoyer une invitation'
-      =submit_tag 'Ajouter', class: 'btn btn-success'
+    = form_tag invites_dossier_path(dossier_id: @facade.dossier.id), method: :post, class: 'form-inline' do
+      = text_field_tag :email, '', class: 'form-control', placeholder: 'Envoyer une invitation'
+      = submit_tag 'Ajouter', class: 'btn btn-success', id: 'send-invitation'
 
diff --git a/app/views/layouts/_notifications_alert.html.haml b/app/views/layouts/_notifications_alert.html.haml
new file mode 100644
index 000000000..372fe7497
--- /dev/null
+++ b/app/views/layouts/_notifications_alert.html.haml
@@ -0,0 +1 @@
+#notification_alert.alert.alert-success
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 32f224676..1730f61a7 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -9,6 +9,7 @@
     = javascript_include_tag 'application', 'data-turbolinks-track' => true
 
     = csrf_meta_tags
+    = action_cable_meta_tag
   %body
     = render partial: 'layouts/support_navigator_banner'
     #beta{class:(Rails.env == 'production' ? '' : 'beta_staging')}
@@ -49,6 +50,7 @@
         %i.fa.fa-times{style:'position: fixed; top: 10; right: 30; color: white;'}
 
     = render partial: 'layouts/switch_devise_profile_module'
+    = render partial: 'layouts/notifications_alert'
 
     = render partial: 'layouts/footer', locals: {main_container_size: main_container_size}
     = render partial: 'layouts/google_analytics'
diff --git a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml
index 037f35a33..e715a6ae6 100644
--- a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml
@@ -9,6 +9,10 @@
 %div#action-block
 
 %div#menu-block
+  %div.split-hr-left
+  #switch-buttons
+    #switch-procedures.active Procédures
+    #switch-notifications Notifications
 
 %div#infos-block
   %div.split-hr-left
@@ -17,3 +21,17 @@
       = link_to backoffice_dossiers_procedure_path(procedure[:id]), {title: procedure[:libelle]} do
         %div.procedure_list_element{ class: ('active' if procedure[:id] == @facade_data_view.procedure.id rescue '') }
           = truncate(procedure[:libelle], length: 50)
+          - total_new = @facade_data_view.new_dossier_number procedure[:id]
+          - if total_new > 0
+            .badge.progress-bar-success{title:'Nouveaux dossiers'}
+              = total_new
+          -if procedure[:unread_notifications] > 0
+            .badge.progress-bar-warning{title: 'Notifications'}
+              = procedure[:unread_notifications]
+  #notifications_list.hidden
+    - @facade_data_view.unread_notifications.each do |notification|
+      = link_to backoffice_dossier_path(notification.dossier.id) do
+        .notification
+          .dossier= notification.decorate.index_display[:dossier]
+          .updated-at= notification.decorate.index_display[:date]
+          .type= notification.decorate.index_display[:type]
diff --git a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
index a47e64175..6c2fd2e66 100644
--- a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
@@ -1,6 +1,5 @@
 %div#first-block
   %div.infos
-    %div.projet-name #{@facade.dossier.nom_projet.capitalize rescue nil}
     #dossier_id= t('dynamics.dossiers.numéro') + @facade.dossier.id.to_s
 
 %div#action-block
@@ -30,6 +29,24 @@
   %div.split-hr-left
   %div.dossier-state= @facade.dossier.display_state
   %div.split-hr-left
-  %div.tips.hidden
-    %i.fa.fa-lightbulb-o
-    %div.notice= "Ceci est un bloc destiné à contenir des informations sur ce que vous êtes censé pouvoir faire à ce stade de traitement du dossier."
+  %div.notifications
+    - if @facade.dossier.notifications.empty?
+      = "Aucune notification pour le moment."
+    - else
+      %i.fa.fa-bell-o
+      - @facade.last_notifications.each do |notification|
+        .notification
+          .updated-at= notification.updated_at.strftime('%d/%m/%Y %H:%M')
+          - if ['champs'].include?(notification.type_notif)
+            - if notification.liste.size > 1
+              .type= "Plusieurs attributs ont été changés, dont: #{notification.liste.join(" ")}"
+            - else
+              .type= "Un attribut à été changé: #{notification.liste.last}"
+          - elsif ['piece_justificative'].include?(notification.type_notif)
+            - if notification.liste.size > 1
+              .type= "Plusieurs pièces justificatives ont été changés, dont: #{notification.liste.join(" ")}"
+            - else
+              .type= "Une pièce justificative à été changée: #{notification.liste.last}"
+          - else
+            .type= notification.liste.last
+          .split-hr
diff --git a/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml b/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml
index bc0ebdb0f..23397d47d 100644
--- a/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml
@@ -2,7 +2,6 @@
   %div.en-cours
     %h2 Récapitulatif
   %div.infos
-    %div #{@facade.dossier.nom_projet}
     %div= t('dynamics.dossiers.numéro') + @facade.dossier.id.to_s
 
 %div#action-block
diff --git a/app/views/layouts/navbars/_navbar_backoffice_dossierscontroller_show.html.haml b/app/views/layouts/navbars/_navbar_backoffice_dossierscontroller_show.html.haml
index 37d5c5a22..744d4e583 100644
--- a/app/views/layouts/navbars/_navbar_backoffice_dossierscontroller_show.html.haml
+++ b/app/views/layouts/navbars/_navbar_backoffice_dossierscontroller_show.html.haml
@@ -14,7 +14,7 @@
           Suivre le dossier
   %div.row
     %div.col-lg-12.col-md-12.col-sm-12.col-xs-12
-      %div.dropdown-toggle{ 'data-toggle' => 'dropdown', 'aria-haspopup' => true, 'aria-expanded' => false }
+      %div#invitations.dropdown-toggle{ 'data-toggle' => 'dropdown', 'aria-haspopup' => true, 'aria-expanded' => false }
         %i.fa.fa-user
         = t('utils.involved')
       %div.dropdown-menu.dropdown-menu-right.dropdown-pannel
@@ -34,7 +34,6 @@
             = t('dynamics.dossiers.invites.empty')
 
           %li
-            =form_tag invites_dossier_path(dossier_id: @facade.dossier.id), method: :post, class: 'form-inline' do
-              =text_field_tag :email, '', class: 'form-control', placeholder: 'Envoyer une invitation'
-              =submit_tag 'Ajouter', class: 'btn btn-success'
-
+            = form_tag invites_dossier_path(dossier_id: @facade.dossier.id), method: :post, class: 'form-inline', id: 'send-invitation' do
+              = text_field_tag :email, '', class: 'form-control', placeholder: 'Envoyer une invitation', id: 'invitation-email'
+              = submit_tag 'Ajouter', class: 'btn btn-success'
diff --git a/app/views/layouts/navbars/_navbar_users_recapitulatifcontroller_show.html.haml b/app/views/layouts/navbars/_navbar_users_recapitulatifcontroller_show.html.haml
index 18dfdf885..ba834c09f 100644
--- a/app/views/layouts/navbars/_navbar_users_recapitulatifcontroller_show.html.haml
+++ b/app/views/layouts/navbars/_navbar_users_recapitulatifcontroller_show.html.haml
@@ -4,7 +4,7 @@
 %div.col-lg-3.col-md-3.col-sm-3.col-xs-3.options
   %div.row.centered-option
     %div.col-lg-12.col-md-12.col-sm-12.col-xs-12
-      %div.dropdown-toggle{ 'data-toggle' => 'dropdown', 'aria-haspopup' => true, 'aria-expanded' => false }
+      %div#invitations.dropdown-toggle{ 'data-toggle' => 'dropdown', 'aria-haspopup' => true, 'aria-expanded' => false }
         %i.fa.fa-user
         = t('utils.involved')
       %div.dropdown-menu.dropdown-menu-right.dropdown-pannel
@@ -24,6 +24,6 @@
             = t('dynamics.dossiers.invites.empty')
 
           %li
-            =form_tag invites_dossier_path(dossier_id: @facade.dossier.id), method: :post, class: 'form-inline' do
-              =text_field_tag :email, '', class: 'form-control', placeholder: 'Envoyer une invitation'
-              =submit_tag 'Ajouter', class: 'btn btn-success'
+            = form_tag invites_dossier_path(dossier_id: @facade.dossier.id), method: :post, class: 'form-inline', id: 'send-invitation' do
+              = text_field_tag :email, '', class: 'form-control', placeholder: 'Envoyer une invitation', id: 'invitation-email'
+              = submit_tag 'Ajouter', class: 'btn btn-success'
diff --git a/config.ru b/config.ru
index bd83b2541..584d0390c 100644
--- a/config.ru
+++ b/config.ru
@@ -1,4 +1,8 @@
 # This file is used by Rack-based servers to start the application.
 
 require ::File.expand_path('../config/environment', __FILE__)
+
+# Action Cable requires that all classes are loaded in advance
+Rails.application.eager_load!
+
 run Rails.application
diff --git a/config/cable.yml b/config/cable.yml
new file mode 100644
index 000000000..1aeb76f7c
--- /dev/null
+++ b/config/cable.yml
@@ -0,0 +1,10 @@
+production:
+  adapter: redis
+  url: redis://localhost:6379
+
+development:
+  adapter: redis
+  url: redis://localhost:6379
+
+test:
+  adapter: async
diff --git a/config/environments/development.rb b/config/environments/development.rb
index f7174bfa2..4b96a6c33 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -45,5 +45,5 @@ Rails.application.configure do
   # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
 
-
+  config.action_cable.url = "ws://localhost:3000/cable"
 end
diff --git a/config/locales/models/dossier/fr.yml b/config/locales/models/dossier/fr.yml
index 9663b2795..576c47885 100644
--- a/config/locales/models/dossier/fr.yml
+++ b/config/locales/models/dossier/fr.yml
@@ -26,10 +26,6 @@ fr:
             mail_contact:
               blank: 'doit être rempli'
               invalid: 'est incorrect'
-            nom_projet:
-              blank: 'doit être rempli'
-            description:
-              blank: 'doit être remplie'
             montant_projet:
               blank: 'doit être rempli'
             montant_aide_demande:
diff --git a/config/routes.rb b/config/routes.rb
index 58d2811dc..aaef99490 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -202,4 +202,6 @@ Rails.application.routes.draw do
   end
 
   apipie
+
+  mount ActionCable.server => '/cable'
 end
diff --git a/config/unicorn.rb b/config/unicorn.rb
new file mode 100644
index 000000000..88a5d746a
--- /dev/null
+++ b/config/unicorn.rb
@@ -0,0 +1,109 @@
+# Sample verbose configuration file for Unicorn (not Rack)
+#
+# This configuration file documents many features of Unicorn
+# that may not be needed for some applications. See
+# http://unicorn.bogomips.org/examples/unicorn.conf.minimal.rb
+# for a much simpler configuration file.
+#
+# See http://unicorn.bogomips.org/Unicorn/Configurator.html for complete
+# documentation.
+
+
+
+# Use at least one worker per core if you're on a dedicated server,
+# more will usually help for _short_ waits on databases/caches.
+worker_processes 2
+
+# Since Unicorn is never exposed to outside clients, it does not need to
+# run on the standard HTTP port (80), there is no reason to start Unicorn
+# as root unless it's from system init scripts.
+# If running the master process as root and the workers as an unprivileged
+# user, do this to switch euid/egid in the workers (also chowns logs):
+# user "unprivileged_user", "unprivileged_group"
+
+# Help ensure your application will always spawn in the symlinked
+# "current" directory that Capistrano sets up.
+
+# listen on both a Unix domain socket and a TCP port,
+# we use a shorter backlog for quicker failover when busy
+listen "127.0.0.1:3000", :tcp_nopush => true
+
+# nuke workers after 30 seconds instead of 60 seconds (the default)
+timeout 30
+
+# By default, the Unicorn logger will write to stderr.
+# Additionally, ome applications/frameworks log to stderr or stdout,
+# so prevent them from going to /dev/null when daemonized here:
+
+# combine Ruby 2.0.0dev or REE with "preload_app true" for memory savings
+# http://rubyenterpriseedition.com/faq.html#adapt_apps_for_cow
+preload_app true
+GC.respond_to?(:copy_on_write_friendly=) and
+  GC.copy_on_write_friendly = true
+
+# Enable this flag to have unicorn test client connections by writing the
+# beginning of the HTTP headers before calling the application.  This
+# prevents calling the application for connections that have disconnected
+# while queued.  This is only guaranteed to detect clients on the same
+# host unicorn runs on, and unlikely to detect disconnects even on a
+# fast LAN.
+check_client_connection false
+
+# local variable to guard against running a hook multiple times
+run_once = true
+
+
+before_fork do |server, worker|
+  # the following is highly recomended for Rails + "preload_app true"
+  # as there's no need for the master process to hold a connection
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.connection.disconnect!
+
+  # Occasionally, it may be necessary to run non-idempotent code in the
+  # master before forking.  Keep in mind the above disconnect! example
+  # is idempotent and does not need a guard.
+  if run_once
+    # do_something_once_here ...
+    run_once = false # prevent from firing again
+  end
+
+  # The following is only recommended for memory/DB-constrained
+  # installations.  It is not needed if your system can house
+  # twice as many worker_processes as you have configured.
+  #
+  # # This allows a new master process to incrementally
+  # # phase out the old master process with SIGTTOU to avoid a
+  # # thundering herd (especially in the "preload_app false" case)
+  # # when doing a transparent upgrade.  The last worker spawned
+  # # will then kill off the old master process with a SIGQUIT.
+  old_pid = "#{server.config[:pid]}.oldbin"
+  if old_pid != server.pid
+    begin
+      sig = (worker.nr + 1) >= server.worker_processes ? :QUIT : :TTOU
+      Process.kill(sig, File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+    end
+  end
+  #
+  # Throttle the master from forking too quickly by sleeping.  Due
+  # to the implementation of standard Unix signal handlers, this
+  # helps (but does not completely) prevent identical, repeated signals
+  # from being lost when the receiving process is busy.
+  sleep 1
+end
+
+after_fork do |server, worker|
+  # per-process listener ports for debugging/admin/migrations
+  # addr = "127.0.0.1:#{9293 + worker.nr}"
+  # server.listen(addr, :tries => -1, :delay => 5, :tcp_nopush => true)
+
+  # the following is *required* for Rails + "preload_app true",
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.establish_connection
+
+  # if preload_app is true, then you may also want to check and
+  # restart any other shared sockets/descriptors such as Memcached,
+  # and Redis.  TokyoCabinet file handles are safe to reuse
+  # between any number of forked children (assuming your kernel
+  # correctly implements pread()/pwrite() system calls)
+end
diff --git a/db/migrate/20161221153929_create_notification.rb b/db/migrate/20161221153929_create_notification.rb
new file mode 100644
index 000000000..745086412
--- /dev/null
+++ b/db/migrate/20161221153929_create_notification.rb
@@ -0,0 +1,16 @@
+class CreateNotification < ActiveRecord::Migration[5.0]
+  def change
+    create_table :notifications do |t|
+
+      t.boolean :already_read, default: false
+      t.string :liste, array: true
+      t.boolean :multiple, default: false
+      t.string :type_notif
+      t.datetime :created_at
+      t.datetime :updated_at
+
+    end
+
+    add_belongs_to :notifications, :dossier
+  end
+end
diff --git a/db/migrate/20161227103823_delete_old_attr_in_data_base.rb b/db/migrate/20161227103823_delete_old_attr_in_data_base.rb
new file mode 100644
index 000000000..92fa6a3e9
--- /dev/null
+++ b/db/migrate/20161227103823_delete_old_attr_in_data_base.rb
@@ -0,0 +1,7 @@
+class DeleteOldAttrInDataBase < ActiveRecord::Migration[5.0]
+  def change
+    remove_column :dossiers, :nom_projet
+    remove_column :procedures, :test
+    remove_column :notifications, :multiple
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index dbbb43529..e9491dca0 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161205110427) do
+ActiveRecord::Schema.define(version: 20161227103823) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -118,7 +118,6 @@ ActiveRecord::Schema.define(version: 20161205110427) do
 
   create_table "dossiers", force: :cascade do |t|
     t.boolean  "autorisation_donnees"
-    t.string   "nom_projet"
     t.integer  "procedure_id"
     t.datetime "created_at"
     t.datetime "updated_at"
@@ -249,6 +248,16 @@ ActiveRecord::Schema.define(version: 20161205110427) do
     t.index ["procedure_id"], name: "index_module_api_cartos_on_procedure_id", unique: true, using: :btree
   end
 
+  create_table "notifications", force: :cascade do |t|
+    t.boolean  "already_read", default: false
+    t.string   "liste",                        array: true
+    t.string   "type_notif"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "dossier_id"
+    t.index ["dossier_id"], name: "index_notifications_on_dossier_id", using: :btree
+  end
+
   create_table "pieces_justificatives", force: :cascade do |t|
     t.string   "content"
     t.integer  "dossier_id"
@@ -302,7 +311,6 @@ ActiveRecord::Schema.define(version: 20161205110427) do
     t.string   "lien_demarche"
     t.datetime "created_at",                            null: false
     t.datetime "updated_at",                            null: false
-    t.boolean  "test"
     t.integer  "administrateur_id"
     t.boolean  "archived",              default: false
     t.boolean  "euro_flag",             default: false
diff --git a/spec/controllers/backoffice/commentaires_controller_spec.rb b/spec/controllers/backoffice/commentaires_controller_spec.rb
index 63ebb3261..2fccafe5e 100644
--- a/spec/controllers/backoffice/commentaires_controller_spec.rb
+++ b/spec/controllers/backoffice/commentaires_controller_spec.rb
@@ -36,6 +36,10 @@ describe Backoffice::CommentairesController, type: :controller do
           expect { subject }.to change(Follow, :count).by(0)
         end
       end
+
+      it 'Internal notification is not create' do
+        expect { subject }.to change(Notification, :count).by (0)
+      end
     end
 
     context 'when document is upload whith a commentaire', vcr: {cassette_name: 'controllers_backoffice_commentaires_controller_doc_upload_with_comment'} do
@@ -54,6 +58,10 @@ describe Backoffice::CommentairesController, type: :controller do
         subject
       end
 
+      it 'Internal notification is not create' do
+        expect { subject }.to change(Notification, :count).by (0)
+      end
+
       describe 'piece justificative created' do
         let(:pj) { PieceJustificative.last }
 
diff --git a/spec/controllers/backoffice/dossiers_controller_spec.rb b/spec/controllers/backoffice/dossiers_controller_spec.rb
index 34f2384b2..96e838d19 100644
--- a/spec/controllers/backoffice/dossiers_controller_spec.rb
+++ b/spec/controllers/backoffice/dossiers_controller_spec.rb
@@ -38,34 +38,40 @@ describe Backoffice::DossiersController, type: :controller do
   end
 
   describe 'GET #show' do
+    subject { get :show, params: {id: dossier_id} }
+
     context 'gestionnaire is connected' do
       before do
         sign_in gestionnaire
       end
 
       it 'returns http success' do
-        get :show, params: {id: dossier_id}
-        expect(response).to have_http_status(200)
+        expect(subject).to have_http_status(200)
+      end
+
+      describe 'all notifications unread are changed' do
+        it do
+          expect(Notification).to receive(:where).with(dossier_id: dossier_id).and_return(Notification::ActiveRecord_Relation)
+          expect(Notification::ActiveRecord_Relation).to receive(:update_all).with(already_read: true).and_return(true)
+
+          subject
+        end
       end
 
       context ' when dossier is archived' do
-        before do
-          get :show, params: {id: dossier_archived.id}
-        end
-        it { expect(response).to redirect_to('/backoffice') }
+        let(:dossier_id) { dossier_archived }
+
+        it { expect(subject).to redirect_to('/backoffice') }
       end
 
       context 'when dossier id does not exist' do
-        before do
-          get :show, params: {id: bad_dossier_id}
-        end
-        it { expect(response).to redirect_to('/backoffice') }
+        let(:dossier_id) { bad_dossier_id }
+
+        it { expect(subject).to redirect_to('/backoffice') }
       end
     end
 
     context 'gestionnaire does not connected but dossier id is correct' do
-      subject { get :show, params: {id: dossier_id} }
-
       it { is_expected.to redirect_to('/gestionnaires/sign_in') }
     end
   end
diff --git a/spec/controllers/users/commentaires_controller_spec.rb b/spec/controllers/users/commentaires_controller_spec.rb
index 54edd2c4d..b03cc9225 100644
--- a/spec/controllers/users/commentaires_controller_spec.rb
+++ b/spec/controllers/users/commentaires_controller_spec.rb
@@ -28,6 +28,10 @@ describe Users::CommentairesController, type: :controller do
 
         subject
       end
+
+      it 'Notification interne is create' do
+        expect { subject }.to change(Notification, :count).by (1)
+      end
     end
 
     context 'when document is upload whith a commentaire', vcr: {cassette_name: 'controllers_sers_commentaires_controller_upload_doc'} do
diff --git a/spec/controllers/users/description_controller_shared_example.rb b/spec/controllers/users/description_controller_shared_example.rb
index a751f08e2..c08c8bbd2 100644
--- a/spec/controllers/users/description_controller_shared_example.rb
+++ b/spec/controllers/users/description_controller_shared_example.rb
@@ -145,6 +145,13 @@ shared_examples 'description_controller_spec' do
     end
 
     context 'Quand la procédure accepte les CERFA' do
+      subject { post :create, params: {dossier_id: dossier_id,
+                                       cerfa_pdf: cerfa_pdf} }
+
+      it 'Notification interne is create' do
+        expect { subject }.to change(Notification, :count).by (1)
+      end
+
       context 'Sauvegarde du CERFA PDF', vcr: {cassette_name: 'controllers_users_description_controller_save_cerfa'} do
         before do
           post :create, params: {dossier_id: dossier_id,
@@ -292,6 +299,10 @@ shared_examples 'description_controller_spec' do
         sign_in guest
       end
 
+      it 'Notification interne is create' do
+        expect { subject }.to change(Notification, :count).by (1)
+      end
+
       context 'when PJ have no documents' do
         it { expect(dossier.pieces_justificatives.size).to eq 0 }
 
diff --git a/spec/controllers/users/description_controller_spec.rb b/spec/controllers/users/description_controller_spec.rb
index b459d6341..ace2b9f1b 100644
--- a/spec/controllers/users/description_controller_spec.rb
+++ b/spec/controllers/users/description_controller_spec.rb
@@ -7,7 +7,7 @@ describe Users::DescriptionController, type: :controller, vcr: {cassette_name: '
   let(:invite_by_user) { create :user, email: 'invite@plop.com' }
 
   let(:procedure) { create(:procedure, :with_two_type_de_piece_justificative, :with_type_de_champ, :with_datetime, cerfa_flag: true) }
-  let(:dossier) { create(:dossier, procedure: procedure, user: owner_user) }
+  let(:dossier) { create(:dossier, procedure: procedure, user: owner_user, state: 'initiated') }
 
   let(:dossier_id) { dossier.id }
   let(:bad_dossier_id) { Dossier.count + 10000 }
diff --git a/spec/controllers/users/dossiers/invites_controller_spec.rb b/spec/controllers/users/dossiers/invites_controller_spec.rb
index 70bfcbc70..e2d71450a 100644
--- a/spec/controllers/users/dossiers/invites_controller_spec.rb
+++ b/spec/controllers/users/dossiers/invites_controller_spec.rb
@@ -1,4 +1,4 @@
-RSpec.describe Users::Dossiers::InvitesController, type: :controller do
+describe Users::Dossiers::InvitesController, type: :controller do
   describe '#authenticate_user!' do
     let(:user) { create :user }
     let(:invite) { create :invite }
diff --git a/spec/controllers/users/recapitulatif_controller_spec.rb b/spec/controllers/users/recapitulatif_controller_spec.rb
index 31e12dad0..3cbbe1696 100644
--- a/spec/controllers/users/recapitulatif_controller_spec.rb
+++ b/spec/controllers/users/recapitulatif_controller_spec.rb
@@ -82,6 +82,10 @@ describe Users::RecapitulatifController, type: :controller do
         dossier.validated!
         post :submit, params: {dossier_id: dossier.id}
       end
+
+      it 'Internal notification is created' do
+        expect(Notification.where(dossier_id: dossier.id, type_notif: 'submitted').first).not_to be_nil
+      end
     end
   end
 end
diff --git a/spec/facades/dossiers_list_facades_spec.rb b/spec/facades/dossiers_list_facades_spec.rb
index 7dcd9a6e0..f10826990 100644
--- a/spec/facades/dossiers_list_facades_spec.rb
+++ b/spec/facades/dossiers_list_facades_spec.rb
@@ -50,10 +50,12 @@ describe DossiersListFacades do
 
     it { expect(subject.first[:id]).to eq procedure.id }
     it { expect(subject.first[:libelle]).to eq procedure.libelle }
+    it { expect(subject.first[:unread_notifications]).to eq 0 }
+
 
     it { expect(subject.last[:id]).to eq procedure_2.id }
     it { expect(subject.last[:libelle]).to eq procedure_2.libelle }
-
+    it { expect(subject.last[:unread_notifications]).to eq 0 }
   end
 
   describe '#active_filter?' do
diff --git a/spec/factories/commentaire.rb b/spec/factories/commentaire.rb
index 791e295db..bb0a148ca 100644
--- a/spec/factories/commentaire.rb
+++ b/spec/factories/commentaire.rb
@@ -1,5 +1,11 @@
 FactoryGirl.define do
   factory :commentaire do
     body 'plop'
+
+    before(:create) do |commentaire, _evaluator|
+      unless commentaire.dossier
+        commentaire.dossier = create :dossier
+      end
+    end
   end
 end
diff --git a/spec/factories/gestionnaire.rb b/spec/factories/gestionnaire.rb
index dcdb76c62..63004f8e9 100644
--- a/spec/factories/gestionnaire.rb
+++ b/spec/factories/gestionnaire.rb
@@ -1,5 +1,5 @@
 FactoryGirl.define do
-  sequence(:gestionnaire_email) { |n| "plop#{n}@plop.com" }
+  sequence(:gestionnaire_email) { |n| "gest#{n}@plop.com" }
   factory :gestionnaire do
     email { generate(:gestionnaire_email) }
     password 'password'
diff --git a/spec/factories/notification.rb b/spec/factories/notification.rb
new file mode 100644
index 000000000..fe4d8ecd8
--- /dev/null
+++ b/spec/factories/notification.rb
@@ -0,0 +1,12 @@
+FactoryGirl.define do
+  factory :notification do
+    type_notif 'commentaire'
+    liste []
+
+    before(:create) do |notification, _evaluator|
+      unless notification.dossier
+        notification.dossier = create :dossier
+      end
+    end
+  end
+end
diff --git a/spec/features/admin/procedure_cloning_spec.rb b/spec/features/admin/procedure_cloning_spec.rb
new file mode 100644
index 000000000..78e13045a
--- /dev/null
+++ b/spec/features/admin/procedure_cloning_spec.rb
@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+feature 'As an administrateur I wanna clone a procedure', js: true do
+
+  let(:administrateur) { create(:administrateur) }
+
+  before do
+    login_as administrateur, scope: :administrateur
+    visit root_path
+  end
+
+  context 'Cloning procedure' do
+
+    before 'Create procedure' do
+      page.find_by_id('new-procedure').click
+      fill_in 'procedure_libelle', with: 'libelle de la procedure'
+      page.execute_script("$('#procedure_description').data('wysihtml5').editor.setValue('description de la procedure')")
+      page.find_by_id('save-procedure').click
+    end
+
+    scenario 'Cloning' do
+      visit admin_procedures_draft_path
+      expect(page.find_by_id('procedures')['data-item-count']).to eq('1')
+      page.all('.clone-btn').first.click
+      visit admin_procedures_draft_path
+      expect(page.find_by_id('procedures')['data-item-count']).to eq('2')
+    end
+  end
+end
diff --git a/spec/features/admin/procedure_creation_spec.rb b/spec/features/admin/procedure_creation_spec.rb
index 49f033bc0..c123ad1fc 100644
--- a/spec/features/admin/procedure_creation_spec.rb
+++ b/spec/features/admin/procedure_creation_spec.rb
@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-feature 'as an administrateur I wanna create a new procedure', js: true do
+feature 'As an administrateur I wanna create a new procedure', js: true do
 
   let(:administrateur) { create(:administrateur) }
 
diff --git a/spec/features/backoffice/invitation_spec.rb b/spec/features/backoffice/invitation_spec.rb
new file mode 100644
index 000000000..ffeb61158
--- /dev/null
+++ b/spec/features/backoffice/invitation_spec.rb
@@ -0,0 +1,25 @@
+require 'spec_helper'
+
+feature 'As an Accompagnateur I can send invitations from dossiers', js: true do
+
+  let(:user)           { create(:user) }
+  let(:gestionnaire)   { create(:gestionnaire) }
+  let(:procedure_1)    { create(:procedure, :with_type_de_champ, libelle: 'procedure 1') }
+
+  before 'Assign procedures to Accompagnateur and generating dossiers for each' do
+    create :assign_to, gestionnaire: gestionnaire, procedure: procedure_1
+    Dossier.create(procedure_id: procedure_1.id.to_s, user: user, state: 'initiated')
+    login_as gestionnaire, scope: :gestionnaire
+    visit backoffice_dossier_path(1)
+  end
+
+  context 'On dossier show' do
+
+    scenario 'Sending invitation' do
+      page.find('#invitations').click
+      page.find('#invitation-email').set('toto@email.com')
+      page.find('#send-invitation .btn-success').trigger('click')
+    end
+
+  end
+end
diff --git a/spec/features/users/invitation_spec.rb b/spec/features/users/invitation_spec.rb
new file mode 100644
index 000000000..7611e6b07
--- /dev/null
+++ b/spec/features/users/invitation_spec.rb
@@ -0,0 +1,24 @@
+require 'spec_helper'
+
+feature 'As a User I can send invitations from dossiers', js: true do
+
+  let(:user)           { create(:user) }
+  let(:procedure_1)    { create(:procedure, :with_type_de_champ, libelle: 'procedure 1') }
+
+  before 'Assign procedures to Accompagnateur and generating dossiers for each' do
+    Dossier.create(procedure_id: procedure_1.id.to_s, user: user, state: 'initiated')
+    login_as user, scope: :user
+    visit users_dossier_recapitulatif_path(1)
+  end
+
+  context 'On dossier show' do
+
+    scenario 'Sending invitation' do
+      page.find('#invitations').click
+      fill_in 'invitation-email', with: 'toto@email.com'
+      page.find('#send-invitation .btn-success').trigger('click')
+      save_and_open_page
+    end
+
+  end
+end
diff --git a/spec/models/dossier_spec.rb b/spec/models/dossier_spec.rb
index 5fe22ff6e..ddbf350ce 100644
--- a/spec/models/dossier_spec.rb
+++ b/spec/models/dossier_spec.rb
@@ -5,7 +5,6 @@ describe Dossier do
 
   describe 'database columns' do
     it { is_expected.to have_db_column(:autorisation_donnees) }
-    it { is_expected.to have_db_column(:nom_projet) }
     it { is_expected.to have_db_column(:created_at) }
     it { is_expected.to have_db_column(:updated_at) }
     it { is_expected.to have_db_column(:state) }
@@ -27,6 +26,7 @@ describe Dossier do
     it { is_expected.to belong_to(:user) }
     it { is_expected.to have_many(:invites) }
     it { is_expected.to have_many(:follows) }
+    it { is_expected.to have_many(:notifications) }
   end
 
   describe 'delegation' do
diff --git a/spec/models/gestionnaire_spec.rb b/spec/models/gestionnaire_spec.rb
index 18fc65d6d..e61990c7b 100644
--- a/spec/models/gestionnaire_spec.rb
+++ b/spec/models/gestionnaire_spec.rb
@@ -208,4 +208,40 @@ describe Gestionnaire, type: :model do
       expect(admin.valid_password?('super secret')).to be(true)
     end
   end
+
+  describe '#notifications_for' do
+    subject { gestionnaire.notifications_for procedure }
+
+    context 'when gestionnaire follow any dossier' do
+      it { is_expected.to eq 0 }
+      it { expect(gestionnaire.follows.count).to eq 0 }
+      it { expect_any_instance_of(Dossier::ActiveRecord_AssociationRelation).not_to receive(:inject)
+      subject }
+    end
+
+    context 'when gestionnaire follow any dossier into the procedure past in params' do
+      before do
+        create :follow, gestionnaire: gestionnaire, dossier: create(:dossier, procedure: procedure_2)
+      end
+
+      it { is_expected.to eq 0 }
+      it { expect(gestionnaire.follows.count).to eq 1 }
+      it { expect_any_instance_of(Dossier::ActiveRecord_AssociationRelation).not_to receive(:inject)
+      subject }
+    end
+
+    context 'when gestionnaire follow a dossier with a notification into the procedure past in params' do
+      let(:dossier) { create(:dossier, procedure: procedure, state: 'initiated') }
+
+      before do
+        create :follow, gestionnaire: gestionnaire, dossier: dossier
+        create :notification, dossier: dossier
+      end
+
+      it { is_expected.to eq 1 }
+      it { expect(gestionnaire.follows.count).to eq 1 }
+      it { expect_any_instance_of(Dossier::ActiveRecord_AssociationRelation).to receive(:inject)
+      subject }
+    end
+  end
 end
diff --git a/spec/models/notification_spec.rb b/spec/models/notification_spec.rb
new file mode 100644
index 000000000..0a945ff9f
--- /dev/null
+++ b/spec/models/notification_spec.rb
@@ -0,0 +1,11 @@
+require 'spec_helper'
+
+describe Notification do
+  it { is_expected.to have_db_column(:already_read) }
+  it { is_expected.to have_db_column(:liste) }
+  it { is_expected.to have_db_column(:type_notif) }
+  it { is_expected.to have_db_column(:created_at) }
+  it { is_expected.to have_db_column(:updated_at) }
+
+  it { is_expected.to belong_to(:dossier) }
+end
diff --git a/spec/services/notification_service_spec.rb b/spec/services/notification_service_spec.rb
new file mode 100644
index 000000000..d091c69b2
--- /dev/null
+++ b/spec/services/notification_service_spec.rb
@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe NotificationService do
+
+  describe '.notify' do
+    let(:dossier) { create :dossier }
+    let(:service) { described_class.new type_notif, dossier.id }
+
+    subject { service.notify }
+
+    context 'when is the first notification for dossier_id and type_notif and alread_read is false' do
+      let(:type_notif) { 'commentaire' }
+
+      it { expect { subject }.to change(Notification, :count).by (1) }
+
+      context 'when is not the first notification' do
+        before do
+          create :notification, dossier: dossier, type_notif: type_notif
+        end
+
+        it { expect { subject }.to change(Notification, :count).by (0) }
+      end
+    end
+  end
+
+  describe 'text_for_notif' do
+    pending
+  end
+end
\ No newline at end of file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index d999bf456..4e7319f2a 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -41,7 +41,7 @@ Capybara.register_driver :poltergeist do |app|
   Capybara::Poltergeist::Driver.new(app, js_errors: true, port: 44_678 + ENV['TEST_ENV_NUMBER'].to_i, phantomjs_options: ['--proxy-type=none'], timeout: 180)
 end
 
-#ActiveSupport::Deprecation.silenced = true
+ActiveSupport::Deprecation.silenced = true
 
 Capybara.default_max_wait_time = 1
 
diff --git a/spec/views/admin/gestionnaires/index.html.haml_spec.rb b/spec/views/admin/gestionnaires/index.html.haml_spec.rb
index 222b43b2c..9c57ee063 100644
--- a/spec/views/admin/gestionnaires/index.html.haml_spec.rb
+++ b/spec/views/admin/gestionnaires/index.html.haml_spec.rb
@@ -29,6 +29,6 @@ describe 'admin/gestionnaires/index.html.haml', type: :view do
                                                    array: true))
       render
     end
-    it { expect(rendered).to match(/plop\d+@plop.com/) }
+    it { expect(rendered).to match(/gest\d+@plop.com/) }
   end
 end
\ No newline at end of file