diff --git a/app/assets/javascripts/description.js b/app/assets/javascripts/description.js
index d04e75a4b..cb66f0adf 100644
--- a/app/assets/javascripts/description.js
+++ b/app/assets/javascripts/description.js
@@ -7,6 +7,10 @@ function action_type_de_champs() {
         toggleErrorClass(this, validateEmail($(this).val()));
     });
 
+    $("input[type='number']").on('change', function () {
+        toggleErrorClass(this, validateNumber($(this).val()));
+    });
+
     $("input[type='phone']").on('change', function () {
         val = $(this).val();
         val = val.replace(/[ ]/g, '');
@@ -43,6 +47,11 @@ function validateEmail(email) {
     return validateInput(email, re)
 }
 
+function validateNumber(number) {
+    var re = /^[0-9]+$/;
+    return validateInput(number, re)
+}
+
 function validateInput(input, regex) {
     return regex.test(input);
 }
@@ -63,4 +72,4 @@ function toggle_header_section_composents() {
             }
         });
     });
-}
\ No newline at end of file
+}
diff --git a/app/controllers/users/description_controller.rb b/app/controllers/users/description_controller.rb
index cf9c159af..a8a08fc09 100644
--- a/app/controllers/users/description_controller.rb
+++ b/app/controllers/users/description_controller.rb
@@ -3,8 +3,11 @@ class Users::DescriptionController < UsersController
     authorized_routes? self.class
   end
 
+  before_action :check_autorisation_donnees, only: [:show]
+  before_action :check_starter_dossier_informations, only: [:show]
+
   def show
-    @dossier = current_user_dossier.decorate
+    @dossier ||= current_user_dossier.decorate
 
     @procedure = @dossier.procedure
     @champs = @dossier.ordered_champs
@@ -83,6 +86,7 @@ class Users::DescriptionController < UsersController
       flash.alert = errors_upload.html_safe
     else
       flash.notice = 'Nouveaux fichiers envoyés'
+      @dossier.next_step! 'user', 'update'
     end
 
     return redirect_to users_dossiers_invite_path(id: current_user.invites.find_by_dossier_id(@dossier.id).id) if invite
@@ -98,6 +102,21 @@ class Users::DescriptionController < UsersController
 
   private
 
+  def check_autorisation_donnees
+    @dossier ||= current_user_dossier
+
+    redirect_to url_for(users_dossier_path(@dossier.id)) if @dossier.autorisation_donnees.nil? || !@dossier.autorisation_donnees
+  end
+
+  def check_starter_dossier_informations
+    @dossier ||= current_user_dossier
+
+    if (@dossier.procedure.for_individual? && @dossier.individual.nil?) ||
+        (!@dossier.procedure.for_individual? && @dossier.entreprise.nil?)
+      redirect_to url_for(users_dossier_path(@dossier.id))
+    end
+  end
+
   def create_params
     params.permit()
   end
diff --git a/app/uploaders/base_uploader.rb b/app/uploaders/base_uploader.rb
new file mode 100644
index 000000000..b575299d8
--- /dev/null
+++ b/app/uploaders/base_uploader.rb
@@ -0,0 +1,15 @@
+# encoding: utf-8
+
+class BaseUploader < CarrierWave::Uploader::Base
+  def cache_dir
+    if Rails.env.production?
+      if Features.opensimplif?
+        '/tmp/opensimplif-cache'
+      else
+        '/tmp/tps-cache'
+      end
+    else
+      '/tmp/tps-dev-cache'
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/uploaders/cerfa_uploader.rb b/app/uploaders/cerfa_uploader.rb
index 0b798ec81..c398801b8 100644
--- a/app/uploaders/cerfa_uploader.rb
+++ b/app/uploaders/cerfa_uploader.rb
@@ -1,6 +1,6 @@
 # encoding: utf-8
 
-class CerfaUploader < CarrierWave::Uploader::Base
+class CerfaUploader < BaseUploader
   before :cache, :set_original_filename
 
 # Choose what kind of storage to use for this uploader:
@@ -18,14 +18,6 @@ class CerfaUploader < CarrierWave::Uploader::Base
     end
   end
 
-  def cache_dir
-    if Rails.env.production?
-      '/tmp/tps-cache'
-    else
-      '/tmp/tps-dev-cache'
-    end
-  end
-
   # Add a white list of extensions which are allowed to be uploaded.
   # For images you might use something like this:
   def extension_white_list
diff --git a/app/uploaders/piece_justificative_uploader.rb b/app/uploaders/piece_justificative_uploader.rb
index 868ca5bef..e5c93b34d 100644
--- a/app/uploaders/piece_justificative_uploader.rb
+++ b/app/uploaders/piece_justificative_uploader.rb
@@ -1,6 +1,6 @@
 # encoding: utf-8
 
-class PieceJustificativeUploader < CarrierWave::Uploader::Base
+class PieceJustificativeUploader < BaseUploader
   before :cache, :set_original_filename
 
   # Choose what kind of storage to use for this uploader:
@@ -18,18 +18,6 @@ class PieceJustificativeUploader < CarrierWave::Uploader::Base
     end
   end
 
-  def cache_dir
-    if Rails.env.production?
-      if Features.opensimplif?
-        '/tmp/opensimplif-cache'
-      else
-        '/tmp/tps-cache'
-      end
-    else
-      '/tmp/tps-dev-cache'
-    end
-  end
-
   # Add a white list of extensions which are allowed to be uploaded.
   # For images you might use something like this:
   def extension_white_list
diff --git a/app/uploaders/procedure_logo_uploader.rb b/app/uploaders/procedure_logo_uploader.rb
index fd1366e0d..e5723f9a0 100644
--- a/app/uploaders/procedure_logo_uploader.rb
+++ b/app/uploaders/procedure_logo_uploader.rb
@@ -1,6 +1,6 @@
 # encoding: utf-8
 
-class ProcedureLogoUploader < CarrierWave::Uploader::Base
+class ProcedureLogoUploader < BaseUploader
 
   def root
     File.join(Rails.root, "public")
@@ -21,14 +21,6 @@ class ProcedureLogoUploader < CarrierWave::Uploader::Base
     end
   end
 
-  def cache_dir
-    if Rails.env.production?
-      '/tmp/tps-cache'
-    else
-      '/tmp/tps-dev-cache'
-    end
-  end
-
   # Add a white list of extensions which are allowed to be uploaded.
   # For images you might use something like this:
   def extension_white_list
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 9054844ae..afe725ff8 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -51,6 +51,8 @@ fr:
               size_too_big: "La taille du fichier joint est trop importante. Elle doit être inférieure à 3Mo."
         user:
           attributes:
+            reset_password_token:
+              invalid: ": Votre lien de nouveau mot de passe a expiré. Merci d'en demander un nouveau."
             email:
               invalid: invalide
               taken: déjà utilisé
diff --git a/spec/controllers/users/description_controller_shared_example.rb b/spec/controllers/users/description_controller_shared_example.rb
index b50200332..22f170dbd 100644
--- a/spec/controllers/users/description_controller_shared_example.rb
+++ b/spec/controllers/users/description_controller_shared_example.rb
@@ -1,5 +1,8 @@
 shared_examples 'description_controller_spec' do
   describe 'GET #show' do
+    before do
+      dossier.update_column :autorisation_donnees, true
+    end
     context 'user is not connected' do
       before do
         sign_out dossier.user
@@ -11,9 +14,15 @@ shared_examples 'description_controller_spec' do
       end
     end
 
-    it 'returns http success' do
-      get :show, dossier_id: dossier_id
-      expect(response).to have_http_status(:success)
+    context 'when all is ok' do
+      before do
+        dossier.entreprise = create :entreprise
+      end
+
+      it 'returns http success' do
+        get :show, dossier_id: dossier_id
+        expect(response).to have_http_status(:success)
+      end
     end
 
     it 'redirection vers start si mauvais dossier ID' do
@@ -35,6 +44,48 @@ shared_examples 'description_controller_spec' do
         it { is_expected.to redirect_to root_path }
       end
     end
+
+    describe 'before action check_autorisation_donnees' do
+      subject { get :show, dossier_id: dossier_id }
+
+      context 'when dossier does not have a valid autorisations_donness (nil)' do
+        before do
+          dossier.update_column :autorisation_donnees, nil
+        end
+
+        it { expect(subject).to redirect_to "/users/dossiers/#{dossier.id}" }
+      end
+
+      context 'when dossier does not have a valid autorisations_donness (false)' do
+        before do
+          dossier.update_column :autorisation_donnees, false
+        end
+
+        it { expect(subject).to redirect_to "/users/dossiers/#{dossier.id}" }
+      end
+    end
+
+    describe 'before action check_starter_dossier_informations' do
+      subject { get :show, dossier_id: dossier_id }
+
+      context 'when dossier does not have an enterprise datas' do
+        before do
+
+        end
+
+        it { expect(dossier.entreprise).to be_nil }
+        it { expect(subject).to redirect_to "/users/dossiers/#{dossier.id}" }
+      end
+
+      context 'when dossier does not have an individual datas' do
+        before do
+          procedure.update_column :for_individual, true
+        end
+
+        it { expect(dossier.individual).to be_nil }
+        it { expect(subject).to redirect_to "/users/dossiers/#{dossier.id}" }
+      end
+    end
   end
 
   describe 'POST #create' do
diff --git a/spec/features/description_page/upload_piece_justificative_spec.rb b/spec/features/description_page/upload_piece_justificative_spec.rb
index 09f97734d..22bd5e50b 100644
--- a/spec/features/description_page/upload_piece_justificative_spec.rb
+++ b/spec/features/description_page/upload_piece_justificative_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 feature 'user is on description page' do
   let!(:procedure) { create(:procedure, :with_two_type_de_piece_justificative, :with_type_de_champ, cerfa_flag: true) }
-  let!(:dossier) { create(:dossier, :with_entreprise, procedure: procedure) }
+  let!(:dossier) { create(:dossier, :with_entreprise, procedure: procedure, autorisation_donnees: true) }
 
   before do
     allow(ClamavService).to receive(:safe_file?).and_return(true)