diff --git a/app/assets/stylesheets/new_design/message.scss b/app/assets/stylesheets/new_design/message.scss
new file mode 100644
index 000000000..025a7783e
--- /dev/null
+++ b/app/assets/stylesheets/new_design/message.scss
@@ -0,0 +1,37 @@
+@import "colors";
+@import "constants";
+
+.message {
+  display: flex;
+  align-items: flex-start;
+  margin-bottom: $default-padding;
+  padding: $default-padding;
+  background: #FFFFFF;
+  border-radius: 3px;
+
+  .person-icon {
+    margin-right: $default-spacer;
+  }
+
+  h2 {
+    margin-bottom: $default-spacer;
+  }
+
+  .mail {
+    font-weight: bold;
+  }
+
+  .guest,
+  .date {
+    font-size: 12px;
+    color: $grey;
+  }
+
+  .date {
+    float: right;
+  }
+
+  .attachment-link {
+    margin-top: $default-spacer;
+  }
+}
diff --git a/app/assets/stylesheets/new_design/messagerie.scss b/app/assets/stylesheets/new_design/messagerie.scss
index 74102f1c7..c8fe54379 100644
--- a/app/assets/stylesheets/new_design/messagerie.scss
+++ b/app/assets/stylesheets/new_design/messagerie.scss
@@ -1,58 +1,25 @@
 @import "colors";
-@import "common";
 @import "constants";
 
-.messagerie {
-  .messages-list {
-    max-height: 350px;
-    overflow-y: scroll;
-    border: 1px solid $border-grey;
-    background: $light-grey;
-    padding: 2 * $default-spacer;
-    margin-bottom: $default-spacer;
-    border-radius: 4px;
+.messages-list {
+  max-height: 350px;
+  overflow-y: scroll;
+  border: 1px solid $border-grey;
+  background: $light-grey;
+  padding: 2 * $default-spacer;
+  margin-bottom: $default-spacer;
+  border-radius: 4px;
 
-    > li {
-      display: flex;
-      align-items: flex-start;
-      margin-bottom: $default-padding;
-      padding: $default-padding;
-      background: #FFFFFF;
-      width: 80%;
-      border-radius: 3px;
+  .message {
+    width: 80%;
 
-      &.from-me {
-        margin-left: auto;
-      }
+    &.from-me {
+      margin-left: auto;
     }
   }
+}
 
-  .person-icon {
-    margin-right: $default-spacer;
-  }
-
-  h2 {
-    margin-bottom: $default-spacer;
-  }
-
-  .mail {
-    font-weight: bold;
-  }
-
-  .guest,
-  .date {
-    font-size: 12px;
-    color: $grey;
-  }
-
-  .date {
-    float: right;
-  }
-
-  .attachment-link {
-    margin-top: $default-spacer;
-  }
-
+.messagerie {
   .message-textarea {
     margin-bottom: $default-spacer;
   }
diff --git a/app/assets/stylesheets/new_design/print.scss b/app/assets/stylesheets/new_design/print.scss
index 0a62ad243..2a6ebd178 100644
--- a/app/assets/stylesheets/new_design/print.scss
+++ b/app/assets/stylesheets/new_design/print.scss
@@ -44,10 +44,6 @@ th {
     padding-left: 0;
     max-height: none;
 
-    li {
-      margin-bottom: 40px;
-    }
-
     h2 {
       font-size: 110%;
     }
@@ -58,6 +54,10 @@ th {
   }
 }
 
+.message {
+  margin-bottom: 40px;
+}
+
 .updated-at {
   display: none;
 }
diff --git a/app/controllers/admin/procedures_controller.rb b/app/controllers/admin/procedures_controller.rb
index 2d24d5c65..6532cc3a3 100644
--- a/app/controllers/admin/procedures_controller.rb
+++ b/app/controllers/admin/procedures_controller.rb
@@ -94,24 +94,12 @@ class Admin::ProceduresController < AdminController
   def publish
     procedure = current_administrateur.procedures.find(params[:procedure_id])
 
-    new_procedure_path = ProcedurePath.new(
-      {
-        path: params[:procedure_path],
-        procedure: procedure,
-        administrateur: procedure.administrateur
-      }
-    )
-
-    if new_procedure_path.validate
-      new_procedure_path.delete
-    else
+    if !ProcedurePath.valid?(procedure, params[:procedure_path])
       flash.alert = 'Lien de la démarche invalide'
       return redirect_to admin_procedures_path
     end
 
-    if procedure.may_publish?(params[:procedure_path])
-      procedure.publish!(params[:procedure_path])
-
+    if procedure.publish_or_reopen!(params[:procedure_path])
       flash.notice = "Démarche publiée"
       redirect_to admin_procedures_path
     else
@@ -205,10 +193,7 @@ class Admin::ProceduresController < AdminController
 
   def path_list
     json_path_list = ProcedurePath
-      .joins(:procedure)
-      .where(procedures: { archived_at: nil })
-      .where("path LIKE ?", "%#{params[:request]}%")
-      .order(:id)
+      .find_with_path(params[:request])
       .pluck(:path, :administrateur_id)
       .map do |path, administrateur_id|
         {
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index a0b353e99..e1b052a25 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -3,7 +3,7 @@ class ApplicationController < ActionController::Base
 
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
-  protect_from_forgery with: :exception
+  protect_from_forgery with: :exception, if: -> { !Rails.env.test? }
   before_action :load_navbar_left_pannel_partial_url
   before_action :set_raven_context
   before_action :authorize_request_for_profiler
@@ -41,6 +41,16 @@ class ApplicationController < ActionController::Base
 
   protected
 
+  def authenticate_logged_user!
+    if gestionnaire_signed_in?
+      authenticate_gestionnaire!
+    elsif administrateur_signed_in?
+      authenticate_administrateur!
+    else
+      authenticate_user!
+    end
+  end
+
   def authenticate_gestionnaire!
     if gestionnaire_signed_in?
       super
@@ -80,6 +90,8 @@ class ApplicationController < ActionController::Base
     logged_users.first
   end
 
+  helper_method :logged_user
+
   def logged_user_roles
     roles = logged_users.map { |logged_user| logged_user.class.name }
     roles.any? ? roles.join(', ') : 'Guest'
diff --git a/app/controllers/champs/dossier_link_controller.rb b/app/controllers/champs/dossier_link_controller.rb
new file mode 100644
index 000000000..d4297c733
--- /dev/null
+++ b/app/controllers/champs/dossier_link_controller.rb
@@ -0,0 +1,11 @@
+class Champs::DossierLinkController < ApplicationController
+  before_action :authenticate_logged_user!
+
+  def show
+    if params[:dossier].key?(:champs_attributes)
+      @dossier_id = params[:dossier][:champs_attributes][params[:position]][:value]
+    else
+      @dossier_id = params[:dossier][:champs_private_attributes][params[:position]][:value]
+    end
+  end
+end
diff --git a/app/controllers/new_user/feedbacks_controller.rb b/app/controllers/new_user/feedbacks_controller.rb
index 3c7b391da..40ec33f80 100644
--- a/app/controllers/new_user/feedbacks_controller.rb
+++ b/app/controllers/new_user/feedbacks_controller.rb
@@ -1,6 +1,8 @@
-class NewUser::FeedbacksController < ApplicationController
-  def create
-    current_user.feedbacks.create!(rating: params[:rating])
-    flash.notice = "Merci de votre retour, si vous souhaitez nous en dire plus, n'hésitez pas à #{view_context.contact_link('nous contacter', type: Helpscout::FormAdapter::TYPE_AMELIORATION)}."
+module NewUser
+  class FeedbacksController < UserController
+    def create
+      current_user.feedbacks.create!(rating: params[:rating])
+      flash.notice = "Merci de votre retour, si vous souhaitez nous en dire plus, n'hésitez pas à #{view_context.contact_link('nous contacter', type: Helpscout::FormAdapter::TYPE_AMELIORATION)}."
+    end
   end
 end
diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index 6a183433a..4d2c54ee5 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -129,19 +129,23 @@ class StatsController < ApplicationController
       Feedback.ratings.fetch(:neutral)  => "Neutres",
       Feedback.ratings.fetch(:unhappy)  => "Mécontents"
     }
+    interval = 6.weeks.ago.beginning_of_week..1.week.ago.beginning_of_week
 
-    totals = Feedback.where(created_at: 5.weeks.ago..Time.now).group_by_week(:created_at).count
+    totals = Feedback
+      .where(created_at: interval)
+      .group_by_week(:created_at)
+      .count
 
     Feedback.ratings.values.map do |rating|
       data = Feedback
-        .where(created_at: 5.weeks.ago..Time.now, rating: rating)
+        .where(created_at: interval, rating: rating)
         .group_by_week(:created_at)
         .count
         .map do |week, count|
           total = totals[week]
 
           if total > 0
-            [week, (count.to_f / total).round(2)]
+            [week, (count.to_f / total * 100).round(2)]
           else
             0
           end
diff --git a/app/controllers/users/dossiers_controller.rb b/app/controllers/users/dossiers_controller.rb
index 06d1ec4eb..9349d72d5 100644
--- a/app/controllers/users/dossiers_controller.rb
+++ b/app/controllers/users/dossiers_controller.rb
@@ -162,13 +162,6 @@ class Users::DossiersController < UsersController
     redirect_to url_for dossiers_path
   end
 
-  def text_summary
-    dossier = Dossier.find(params[:dossier_id])
-    render json: { textSummary: dossier.text_summary }
-  rescue ActiveRecord::RecordNotFound
-    render json: {}, status: 404
-  end
-
   private
 
   def check_siret
diff --git a/app/javascript/new_design/champs/dossier-link.js b/app/javascript/new_design/champs/dossier-link.js
deleted file mode 100644
index 0a86d53c9..000000000
--- a/app/javascript/new_design/champs/dossier-link.js
+++ /dev/null
@@ -1,42 +0,0 @@
-import $ from 'jquery';
-
-function showNotFound() {
-  $('.dossier-link .text-info').hide();
-  $('.dossier-link .text-warning').show();
-}
-
-function showData(data) {
-  $('.dossier-link .dossier-text-summary').text(data.textSummary);
-  $('.dossier-link .text-info').show();
-  $('.dossier-link .text-warning').hide();
-}
-
-function hideEverything() {
-  $('.dossier-link .text-info').hide();
-  $('.dossier-link .text-warning').hide();
-}
-
-function fetchProcedureLibelle(e) {
-  const dossierId = $(e.target).val();
-  if (dossierId) {
-    $.get(`/users/dossiers/${dossierId}/text_summary`)
-      .done(showData)
-      .fail(showNotFound);
-  } else {
-    hideEverything();
-  }
-}
-
-let timeOut;
-function debounceFetchProcedureLibelle(e) {
-  if (timeOut) {
-    clearTimeout(timeOut);
-  }
-  timeOut = setTimeout(() => fetchProcedureLibelle(e), 300);
-}
-
-$(document).on(
-  'input',
-  '[data-type=dossier-link]',
-  debounceFetchProcedureLibelle
-);
diff --git a/app/javascript/packs/application.js b/app/javascript/packs/application.js
index 64c5c01c7..971840e3a 100644
--- a/app/javascript/packs/application.js
+++ b/app/javascript/packs/application.js
@@ -21,7 +21,6 @@ import '../new_design/form-validation';
 import '../new_design/carto';
 import '../new_design/select2';
 
-import '../new_design/champs/dossier-link';
 import '../new_design/champs/linked-drop-down-list';
 import '../new_design/champs/siret';
 
diff --git a/app/models/administrateur.rb b/app/models/administrateur.rb
index 37242cb4b..f45bb1447 100644
--- a/app/models/administrateur.rb
+++ b/app/models/administrateur.rb
@@ -10,6 +10,7 @@ class Administrateur < ApplicationRecord
   has_many :administrateurs_procedures
   has_many :admin_procedures, through: :administrateurs_procedures, source: :procedure
   has_many :services
+  has_many :dossiers, -> { state_not_brouillon }, through: :procedures
 
   before_validation -> { sanitize_email(:email) }
   before_save :ensure_api_token
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index d508e64fa..79f432ee6 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -70,6 +70,9 @@ class Procedure < ApplicationRecord
 
     event :publish, after: :after_publish, guard: :can_publish? do
       transitions from: :brouillon, to: :publiee
+    end
+
+    event :reopen, after: :after_reopen, guard: :can_publish? do
       transitions from: :archivee, to: :publiee
     end
 
@@ -84,33 +87,27 @@ class Procedure < ApplicationRecord
     end
   end
 
-  def after_publish(path)
-    now = Time.now
-    update(
-      test_started_at: now,
-      archived_at: nil,
-      published_at: now
-    )
-    procedure_path = ProcedurePath.find_by(path: path)
+  def publish_or_reopen!(path)
+    if archivee? && may_reopen?(path)
+      reopen!(path)
+    elsif may_publish?(path)
+      reset!
+      publish!(path)
+    end
+  end
+
+  def publish_with_path!(path)
+    procedure_path = ProcedurePath
+      .where(administrateur: administrateur)
+      .find_by(path: path)
 
     if procedure_path.present?
       procedure_path.publish!(self)
     else
-      ProcedurePath.create(procedure: self, administrateur: administrateur, path: path)
+      create_procedure_path!(administrateur: administrateur, path: path)
     end
   end
 
-  def after_archive
-    update(archived_at: Time.now)
-  end
-
-  def after_hide
-    now = Time.now
-    update(hidden_at: now)
-    procedure_path&.hide!
-    dossiers.update_all(hidden_at: now)
-  end
-
   def reset!
     if locked?
       raise "Can not reset a locked procedure."
@@ -132,15 +129,6 @@ class Procedure < ApplicationRecord
     publiee? || archivee?
   end
 
-  def can_publish?(path)
-    procedure_path = ProcedurePath.find_by(path: path)
-    if procedure_path.present?
-      administrateur.owns?(procedure_path)
-    else
-      true
-    end
-  end
-
   # Warning: dossier after_save build_default_champs must be removed
   # to save a dossier created from this method
   def new_dossier
@@ -372,6 +360,38 @@ class Procedure < ApplicationRecord
 
   private
 
+  def can_publish?(path)
+    procedure_path = ProcedurePath.find_by(path: path)
+    if procedure_path.present?
+      administrateur.owns?(procedure_path)
+    else
+      true
+    end
+  end
+
+  def after_publish(path)
+    update!(published_at: Time.now)
+
+    publish_with_path!(path)
+  end
+
+  def after_archive
+    update!(archived_at: Time.now)
+  end
+
+  def after_hide
+    now = Time.now
+    update!(hidden_at: now)
+    procedure_path&.hide!
+    dossiers.update_all(hidden_at: now)
+  end
+
+  def after_reopen(path)
+    update!(published_at: Time.now, archived_at: nil)
+
+    publish_with_path!(path)
+  end
+
   def update_juridique_required
     self.juridique_required ||= (cadre_juridique.present? || deliberation.attached?)
     true
diff --git a/app/models/procedure_path.rb b/app/models/procedure_path.rb
index 197162224..7bab10680 100644
--- a/app/models/procedure_path.rb
+++ b/app/models/procedure_path.rb
@@ -1,17 +1,29 @@
 class ProcedurePath < ApplicationRecord
-  validates :path, format: { with: /\A[a-z0-9_\-]{3,50}\z/ }, presence: true, allow_blank: false, allow_nil: false
+  validates :path, format: { with: /\A[a-z0-9_\-]{3,50}\z/ }, uniqueness: true, presence: true, allow_blank: false, allow_nil: false
   validates :administrateur_id, presence: true, allow_blank: false, allow_nil: false
   validates :procedure_id, presence: true, allow_blank: false, allow_nil: false
 
   belongs_to :procedure
   belongs_to :administrateur
 
+  def self.valid?(procedure, path)
+    create_with(procedure: procedure, administrateur: procedure.administrateur)
+      .find_or_initialize_by(path: path).validate
+  end
+
+  def self.find_with_path(path)
+    joins(:procedure)
+      .where.not(procedures: { aasm_state: :archivee })
+      .where("path LIKE ?", "%#{path}%")
+      .order(:id)
+  end
+
   def hide!
     destroy!
   end
 
   def publish!(new_procedure)
-    if procedure&.publiee?
+    if procedure&.publiee? && procedure != new_procedure
       procedure.archive!
     end
     update!(procedure: new_procedure)
diff --git a/app/views/champs/dossier_link/show.js.erb b/app/views/champs/dossier_link/show.js.erb
new file mode 100644
index 000000000..d561ee26a
--- /dev/null
+++ b/app/views/champs/dossier_link/show.js.erb
@@ -0,0 +1,3 @@
+<%= render_to_element('.dossier-link .help-block',
+  partial: 'shared/champs/dossier_link/help_block',
+  locals: { id: @dossier_id }) %>
diff --git a/app/views/shared/champs/dossier_link/_help_block.html.haml b/app/views/shared/champs/dossier_link/_help_block.html.haml
new file mode 100644
index 000000000..624dc21c8
--- /dev/null
+++ b/app/views/shared/champs/dossier_link/_help_block.html.haml
@@ -0,0 +1,8 @@
+- if id.present?
+  - dossier = logged_user.dossiers.find_by(id: id)
+  - if dossier.blank?
+    %p.text-warning
+      Ce dossier est inconnu
+  - else
+    %p.text-info
+      %span.dossier-text-summary= sanitize(dossier.text_summary)
diff --git a/app/views/shared/dossiers/_messagerie.html.haml b/app/views/shared/dossiers/_messagerie.html.haml
index be8414010..ee380ee09 100644
--- a/app/views/shared/dossiers/_messagerie.html.haml
+++ b/app/views/shared/dossiers/_messagerie.html.haml
@@ -1,7 +1,7 @@
 .messagerie.container
   %ul.messages-list
     - dossier.commentaires.each do |commentaire|
-      %li{ class: commentaire_is_from_me_class(commentaire, user_email) }
+      %li.message{ class: commentaire_is_from_me_class(commentaire, user_email) }
         = render partial: "shared/dossiers/messages/message", locals: { commentaire: commentaire, user_email: user_email, messagerie_seen_at: messagerie_seen_at }
 
   = render partial: "shared/dossiers/messages/form", locals: { commentaire: new_commentaire, form_url: form_url }
diff --git a/app/views/shared/dossiers/editable_champs/_dossier_link.html.haml b/app/views/shared/dossiers/editable_champs/_dossier_link.html.haml
index 72ce494ec..40d830ad8 100644
--- a/app/views/shared/dossiers/editable_champs/_dossier_link.html.haml
+++ b/app/views/shared/dossiers/editable_champs/_dossier_link.html.haml
@@ -1,18 +1,9 @@
-- dossier = Dossier.find_by(id: champ.value)
-- show_text_summary = dossier.present?
-- show_warning = !show_text_summary && champ.value.present?
-- text_summary = sanitize(dossier&.text_summary)
-
 .dossier-link
   = form.number_field :value,
     placeholder: "Numéro de dossier",
     autocomplete: 'off',
-    'data-type': 'dossier-link',
-    required: champ.mandatory?
+    required: champ.mandatory?,
+    data: { remote: true, url: champs_dossier_link_path(form.index) }
 
   .help-block
-    %p.text-info{ style: show_text_summary ? nil : 'display: none;' }
-      %span.dossier-text-summary= text_summary
-
-    %p.text-warning{ style: show_warning ? nil : 'display: none;' }
-      Ce dossier est inconnu
+    = render partial: 'shared/champs/dossier_link/help_block', locals: { id: champ.value }
diff --git a/config/routes.rb b/config/routes.rb
index cb8855c75..78a27debe 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -111,6 +111,7 @@ Rails.application.routes.draw do
 
   namespace :champs do
     get ':champ_id/siret' => 'siret#index', as: 'siret'
+    get ':position/dossier_link', to: 'dossier_link#show', as: :dossier_link
   end
 
   namespace :commencer do
@@ -158,8 +159,6 @@ Rails.application.routes.draw do
 
       post '/siret_informations' => 'dossiers#siret_informations'
       put '/change_siret' => 'dossiers#change_siret'
-
-      get 'text_summary' => 'dossiers#text_summary'
     end
 
     resource 'dossiers'
diff --git a/spec/controllers/champs/dossier_link_controller_spec.rb b/spec/controllers/champs/dossier_link_controller_spec.rb
new file mode 100644
index 000000000..b01b91c41
--- /dev/null
+++ b/spec/controllers/champs/dossier_link_controller_spec.rb
@@ -0,0 +1,56 @@
+require 'spec_helper'
+
+describe Champs::DossierLinkController, type: :controller do
+  let(:user) { create(:user) }
+  let(:procedure) { create(:procedure, :published) }
+
+  describe '#show' do
+    let(:dossier) { create(:dossier, user: user, procedure: procedure) }
+
+    context 'when user is connected' do
+      render_views
+      before { sign_in user }
+
+      let(:params) do
+        {
+          dossier: {
+            champs_attributes: {
+              '1' => { value: "#{dossier_id}" }
+            }
+          },
+          position: '1'
+        }
+      end
+      let(:dossier_id) { dossier.id }
+
+      context 'when the dossier exist' do
+        before {
+          get :show, params: params, format: 'js'
+        }
+
+        it 'returns the procedure name' do
+          expect(response.body).to include('Dossier en brouillon')
+          expect(response.body).to include(procedure.libelle)
+          expect(response.body).to include(procedure.organisation)
+        end
+      end
+
+      context 'when the dossier does not exist' do
+        let(:dossier_id) { '13' }
+        before {
+          get :show, params: params, format: 'js'
+        }
+
+        it { expect(response.body).to include('Ce dossier est inconnu') }
+      end
+    end
+
+    context 'when user is not connected' do
+      before {
+        get :show, params: { position: '1' }, format: 'js'
+      }
+
+      it { expect(response.code).to eq('401') }
+    end
+  end
+end
diff --git a/spec/controllers/users/dossiers_controller_spec.rb b/spec/controllers/users/dossiers_controller_spec.rb
index 8a518d099..5161cb779 100644
--- a/spec/controllers/users/dossiers_controller_spec.rb
+++ b/spec/controllers/users/dossiers_controller_spec.rb
@@ -446,29 +446,4 @@ describe Users::DossiersController, type: :controller do
       subject
     end
   end
-
-  describe 'Get #text_summary' do
-    let!(:dossier) { create(:dossier, procedure: procedure) }
-
-    context 'when user is connected' do
-      before { sign_in user }
-
-      context 'when the dossier exist' do
-        before { get :text_summary, params: { dossier_id: dossier.id } }
-        it 'returns the procedure name' do
-          expect(JSON.parse(response.body)).to eq("textSummary" => "Dossier en brouillon répondant à la démarche #{procedure.libelle} gérée par l'organisme #{procedure.organisation}")
-        end
-      end
-
-      context 'when the dossier does not exist' do
-        before { get :text_summary, params: { dossier_id: 666 } }
-        it { expect(response.code).to eq('404') }
-      end
-    end
-
-    context 'when user is not connected' do
-      before { get :text_summary, params: { dossier_id: dossier.id } }
-      it { expect(response.code).to eq('302') }
-    end
-  end
 end