diff --git a/app/assets/stylesheets/new_design/forms.scss b/app/assets/stylesheets/new_design/forms.scss
index b5f428c2e7a..38f69dd924d 100644
--- a/app/assets/stylesheets/new_design/forms.scss
+++ b/app/assets/stylesheets/new_design/forms.scss
@@ -7,6 +7,11 @@
     margin-bottom: 20px;
   }
 
+  @mixin notice-text-style {
+    font-size: 14px;
+    color: $grey;
+  }
+
   label {
     margin-bottom: $default-padding;
     display: block;
@@ -16,13 +21,18 @@
     }
 
     .notice {
-      font-size: 14px;
+      @include notice-text-style;
       display: block;
       margin-top: $default-spacer;
-      color: $grey;
     }
   }
 
+  .notice-inline {
+    @include notice-text-style;
+    display: inline-block;
+    margin-left: $default-spacer;
+  }
+
   .radios {
     label {
       display: inline;
diff --git a/app/controllers/new_gestionnaire/dossiers_controller.rb b/app/controllers/new_gestionnaire/dossiers_controller.rb
index e3bc18cf129..a6cc167469e 100644
--- a/app/controllers/new_gestionnaire/dossiers_controller.rb
+++ b/app/controllers/new_gestionnaire/dossiers_controller.rb
@@ -6,6 +6,7 @@ class DossiersController < ProceduresController
     after_action :mark_demande_as_read, only: :show
     after_action :mark_messagerie_as_read, only: [:messagerie, :create_commentaire]
     after_action :mark_avis_as_read, only: [:avis, :create_avis]
+    after_action :mark_annotations_privees_as_read, only: [:annotations_privees, :update_annotations]
 
     def attestation
       send_data(dossier.attestation.pdf.read, filename: 'attestation.pdf', type: 'application/pdf')
@@ -21,8 +22,7 @@ def messagerie
     end
 
     def annotations_privees
-      dossier.notifications.annotations_privees.mark_as_read
-      current_gestionnaire.mark_tab_as_seen(dossier, :annotations_privees)
+      @annotations_privees_seen_at = current_gestionnaire.follows.find_by(dossier: dossier)&.annotations_privees_seen_at
     end
 
     def avis
@@ -208,5 +208,10 @@ def mark_avis_as_read
       dossier.notifications.avis.mark_as_read
       current_gestionnaire.mark_tab_as_seen(dossier, :avis)
     end
+
+    def mark_annotations_privees_as_read
+      dossier.notifications.annotations_privees.mark_as_read
+      current_gestionnaire.mark_tab_as_seen(dossier, :annotations_privees)
+    end
   end
 end
diff --git a/app/views/new_gestionnaire/dossiers/annotations_privees.html.haml b/app/views/new_gestionnaire/dossiers/annotations_privees.html.haml
index 42193d67f93..c23d3b1bbf2 100644
--- a/app/views/new_gestionnaire/dossiers/annotations_privees.html.haml
+++ b/app/views/new_gestionnaire/dossiers/annotations_privees.html.haml
@@ -11,7 +11,7 @@
           = f.fields_for :champs_private, f.object.ordered_champs_private do |champ_form|
             - champ = champ_form.object
             = render partial: "new_gestionnaire/dossiers/champs/#{champ.type_champ}",
-              locals: { champ: champ, form: champ_form }
+              locals: { champ: champ, form: champ_form, annotations_privees_seen_at: @annotations_privees_seen_at }
 
           .send-wrapper
             = f.submit 'Sauvegarder', class: 'button send', data: { disable_with: "Envoi..." }
diff --git a/app/views/new_gestionnaire/dossiers/champs/_address.html.haml b/app/views/new_gestionnaire/dossiers/champs/_address.html.haml
index c0707410f62..e4ed08e335b 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_address.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_address.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.text_field :value,
   'data-address': 'true',
diff --git a/app/views/new_gestionnaire/dossiers/champs/_champ_label.html.haml b/app/views/new_gestionnaire/dossiers/champs/_champ_label.html.haml
index 000439a3a42..79bca87303f 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_champ_label.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_champ_label.html.haml
@@ -2,5 +2,10 @@
   #{champ.libelle}
   - if champ.mandatory
     %span.mandatory *
+
+  - if annotations_privees_seen_at&.< champ.updated_at
+    %span.notice-inline.highlighted
+      = "modifié le #{champ.updated_at.strftime('%d/%m/%Y à %H:%M')}"
+
   - if champ.description.present?
     %span.notice= champ.description
diff --git a/app/views/new_gestionnaire/dossiers/champs/_checkbox.html.haml b/app/views/new_gestionnaire/dossiers/champs/_checkbox.html.haml
index 2668405bac5..882404c2ee9 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_checkbox.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_checkbox.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.check_box :value,
   { required: champ.mandatory },
diff --git a/app/views/new_gestionnaire/dossiers/champs/_civilite.html.haml b/app/views/new_gestionnaire/dossiers/champs/_civilite.html.haml
index b968388f696..456af953e3f 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_civilite.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_civilite.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 .radios
   %label
diff --git a/app/views/new_gestionnaire/dossiers/champs/_date.html.haml b/app/views/new_gestionnaire/dossiers/champs/_date.html.haml
index 5bdd4ad45fb..86b27120a14 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_date.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_date.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.date_field :value,
   value: champ.value,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_datetime.html.haml b/app/views/new_gestionnaire/dossiers/champs/_datetime.html.haml
index 4dabb670585..e6a92ecebaf 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_datetime.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_datetime.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 - parsed_value = champ.value.present? ? DateTime.parse(champ.value) : DateTime.now
 
diff --git a/app/views/new_gestionnaire/dossiers/champs/_departements.html.haml b/app/views/new_gestionnaire/dossiers/champs/_departements.html.haml
index c16358e58b7..bd1bf253de8 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_departements.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_departements.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.select :value,
   Champ.departements,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_dossier_link.html.haml b/app/views/new_gestionnaire/dossiers/champs/_dossier_link.html.haml
index 54c9d9b126c..cbf2dea64ae 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_dossier_link.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_dossier_link.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 - dossier = Dossier.find_by(id: champ.value)
 - show_text_summary = dossier.present?
diff --git a/app/views/new_gestionnaire/dossiers/champs/_drop_down_list.html.haml b/app/views/new_gestionnaire/dossiers/champs/_drop_down_list.html.haml
index ee46b4b2641..2f36bceb869 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_drop_down_list.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_drop_down_list.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 - if champ.drop_down_list && champ.drop_down_list.options.any?
   = form.select :value,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_email.html.haml b/app/views/new_gestionnaire/dossiers/champs/_email.html.haml
index c9819de8829..f065cb6caef 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_email.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_email.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.email_field :value,
   placeholder: champ.libelle,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_engagement.html.haml b/app/views/new_gestionnaire/dossiers/champs/_engagement.html.haml
index 2668405bac5..882404c2ee9 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_engagement.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_engagement.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.check_box :value,
   { required: champ.mandatory },
diff --git a/app/views/new_gestionnaire/dossiers/champs/_multiple_drop_down_list.html.haml b/app/views/new_gestionnaire/dossiers/champs/_multiple_drop_down_list.html.haml
index 5f0fb94393a..cc8617eafae 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_multiple_drop_down_list.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_multiple_drop_down_list.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 - if champ.drop_down_list && champ.drop_down_list.options.any?
   = form.select :value,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_number.html.haml b/app/views/new_gestionnaire/dossiers/champs/_number.html.haml
index c9bcb8eae63..f020980b91c 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_number.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_number.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.number_field :value,
   placeholder: champ.libelle,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_pays.html.haml b/app/views/new_gestionnaire/dossiers/champs/_pays.html.haml
index cad18df074d..f52c146e996 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_pays.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_pays.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.select :value,
   Champ.pays,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_phone.html.haml b/app/views/new_gestionnaire/dossiers/champs/_phone.html.haml
index e42dbfad13c..7888eff8c0d 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_phone.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_phone.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.phone_field :value,
   placeholder: champ.libelle,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_regions.html.haml b/app/views/new_gestionnaire/dossiers/champs/_regions.html.haml
index eb9ffaf8d1b..5946d812c56 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_regions.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_regions.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.select :value,
   Champ.regions,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_text.html.haml b/app/views/new_gestionnaire/dossiers/champs/_text.html.haml
index 2e34ffa6c43..bef083c2ff3 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_text.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_text.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 = form.text_field :value,
   placeholder: champ.libelle,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_textarea.html.haml b/app/views/new_gestionnaire/dossiers/champs/_textarea.html.haml
index 5e2b2164c30..4b3b832c839 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_textarea.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_textarea.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 ~ form.text_area :value,
   row: 6,
diff --git a/app/views/new_gestionnaire/dossiers/champs/_yes_no.html.haml b/app/views/new_gestionnaire/dossiers/champs/_yes_no.html.haml
index 7893c60b8a2..9daf805484a 100644
--- a/app/views/new_gestionnaire/dossiers/champs/_yes_no.html.haml
+++ b/app/views/new_gestionnaire/dossiers/champs/_yes_no.html.haml
@@ -1,4 +1,4 @@
-= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ }
+= render partial: 'new_gestionnaire/dossiers/champs/champ_label', locals: { form: form, champ: champ, seen_at: seen_at }
 
 .radios
   %label
diff --git a/app/views/root/patron.html.haml b/app/views/root/patron.html.haml
index 0b60bab4940..a268dfde6fc 100644
--- a/app/views/root/patron.html.haml
+++ b/app/views/root/patron.html.haml
@@ -24,7 +24,7 @@
         = f.fields_for :champs do |champ_form|
           - champ = champ_form.object
           = render partial: "new_gestionnaire/dossiers/champs/#{champ.type_champ}",
-            locals: { champ: champ, form: champ_form }
+            locals: { champ: champ, form: champ_form, seen_at: nil }
 
         %input{ type: "password", value: "12345678" }
         .send-wrapper