diff --git a/app/components/dossiers/champs_rows_show_component.rb b/app/components/dossiers/champs_rows_show_component.rb
index b4d5f9e27..b0f17d6cd 100644
--- a/app/components/dossiers/champs_rows_show_component.rb
+++ b/app/components/dossiers/champs_rows_show_component.rb
@@ -25,8 +25,8 @@ class Dossiers::ChampsRowsShowComponent < ApplicationComponent
   end
 
   def blank_key(champ)
-    key = ".blank_optional"
-    key += "_attachment" if champ.type_de_champ.piece_justificative_or_titre_identite?
+    key = champ.mandatory? ? ".blank" : ".blank_optional"
+    key += "_attachment" if champ.piece_justificative_or_titre_identite?
 
     key
   end
diff --git a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.en.yml b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.en.yml
index c18cd4dd0..4045f42c7 100644
--- a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.en.yml
+++ b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.en.yml
@@ -1,4 +1,6 @@
 ---
 en:
-  blank_optional: "empty (optional)"
-  blank_optional_attachment: "document not supplied (optional)"
+  blank: 'empty'
+  blank_attachment: 'document not supplied'
+  blank_optional: 'empty (optional)'
+  blank_optional_attachment: 'document not supplied (optional)'
diff --git a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.fr.yml b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.fr.yml
index 01694f30f..a20313960 100644
--- a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.fr.yml
+++ b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.fr.yml
@@ -1,4 +1,6 @@
 ---
 fr:
-  blank_optional: "non saisi (facultatif)"
-  blank_optional_attachment: "pièce justificative non saisie (facultative)"
+  blank: 'non saisi'
+  blank_attachment: 'pièce justificative non saisie'
+  blank_optional: 'non saisi (facultatif)'
+  blank_optional_attachment: 'pièce justificative non saisie (facultative)'
diff --git a/app/components/procedure/revision_changes_component.rb b/app/components/procedure/revision_changes_component.rb
index f011e3b0b..75ec06969 100644
--- a/app/components/procedure/revision_changes_component.rb
+++ b/app/components/procedure/revision_changes_component.rb
@@ -8,7 +8,6 @@ class Procedure::RevisionChangesComponent < ApplicationComponent
 
     @tdc_changes = previous_revision.compare_types_de_champ(new_revision)
     @public_move_changes, @private_move_changes = @tdc_changes.filter { _1.op == :move }.partition { !_1.private? }
-    @delete_champ_warning = !total_dossiers.zero? && !@tdc_changes.all?(&:can_rebase?)
 
     @ineligibilite_rules_changes = previous_revision.compare_ineligibilite_rules(new_revision)
   end
@@ -18,11 +17,4 @@ class Procedure::RevisionChangesComponent < ApplicationComponent
   def used_by_routing_rules?(type_de_champ)
     @procedure.used_by_routing_rules?(type_de_champ)
   end
-
-  def total_dossiers
-    @total_dossiers ||= @previous_revision.dossiers
-      .visible_by_administration
-      .state_en_construction_ou_instruction
-      .size
-  end
 end
diff --git a/app/components/procedure/revision_changes_component/revision_changes_component.html.haml b/app/components/procedure/revision_changes_component/revision_changes_component.html.haml
index 2cfed321b..7d4f2ce85 100644
--- a/app/components/procedure/revision_changes_component/revision_changes_component.html.haml
+++ b/app/components/procedure/revision_changes_component/revision_changes_component.html.haml
@@ -11,15 +11,9 @@
           = t('.public.add_mandatory', label: change.label)
         - else
           = t(".#{prefix}.add", label: change.label)
-        - if !total_dossiers.zero? && !change.can_rebase?
-          .fr-alert.fr-alert--warning.fr-mt-1v
-            %p= t('.breaking_change', count: total_dossiers)
     - when :remove
       - list.with_item do
         = t(".#{prefix}.remove", label: change.label)
-        - if @delete_champ_warning
-          .fr-alert.fr-alert--warning.fr-mt-1v
-            %p= t('.delete_champ_html', count: total_dossiers)
     - when :update
       - case change.attribute
       - when :libelle
@@ -28,9 +22,6 @@
       - when :type_champ
         - list.with_item do
           = t(".#{prefix}.update_type_champ", label: change.label, to: t("activerecord.attributes.type_de_champ.type_champs.#{change.to}"))
-          - if !total_dossiers.zero? && !change.can_rebase?
-            .fr-alert.fr-alert--warning.fr-mt-1v
-              %p= t('.breaking_change', count: total_dossiers)
       - when :description
         - list.with_item do
           - if change.to.blank?
@@ -47,15 +38,9 @@
         - if change.from == false
           - list.with_item do
             = t(".public.enable_mandatory", label: change.label)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
         - else
           - list.with_item do
             = t(".public.disable_mandatory", label: change.label)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
       - when :piece_justificative_template
         - list.with_item do
           = t(".#{prefix}.update_piece_justificative_template", label: change.label)
@@ -74,9 +59,6 @@
             - if removed.present?
               - list.with_item do
                 = t('.remove_option', items: removed.map{ |term| "« #{term.strip} »" }.join(", "))
-          - if !total_dossiers.zero? && !change.can_rebase?
-            .fr-alert.fr-alert--warning.fr-mt-1v
-              %p= t('.breaking_change', count: total_dossiers)
           - if (removed.present? || added.present? ) && used_by_routing_rules?(change.type_de_champ)
             .fr-alert.fr-alert--warning.fr-mt-1v
               = t(".#{prefix}.update_drop_down_options_alert", label: change.label)
@@ -84,15 +66,9 @@
         - if change.from == false
           - list.with_item do
             = t(".#{prefix}.enable_drop_down_other", label: change.label)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
         - else
           - list.with_item do
             = t(".#{prefix}.disable_drop_down_other", label: change.label)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
       - when :carte_layers
         - added = change.to.sort - change.from.sort
         - removed = change.from.sort - change.to.sort
@@ -122,21 +98,12 @@
         - if change.from.nil?
           - list.with_item do
             = t(".#{prefix}.add_condition", label: change.label, to: change.to)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
         - elsif change.to.nil?
           - list.with_item do
             = t(".#{prefix}.remove_condition", label: change.label)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
         - else
           - list.with_item do
             = t(".#{prefix}.update_condition", label: change.label, to: change.to)
-            - if !total_dossiers.zero? && !change.can_rebase?
-              .fr-alert.fr-alert--warning.fr-mt-1v
-                %p= t('.breaking_change', count: total_dossiers)
       - when :character_limit
         - if change.to.blank?
           - list.with_item do
diff --git a/app/models/champs/drop_down_list_champ.rb b/app/models/champs/drop_down_list_champ.rb
index d5b08db9d..908ceda02 100644
--- a/app/models/champs/drop_down_list_champ.rb
+++ b/app/models/champs/drop_down_list_champ.rb
@@ -52,10 +52,6 @@ class Champs::DropDownListChamp < Champ
     other? ? value : ""
   end
 
-  def in?(options)
-    options.include?(value)
-  end
-
   private
 
   def value_is_in_options
diff --git a/app/models/champs/linked_drop_down_list_champ.rb b/app/models/champs/linked_drop_down_list_champ.rb
index 9254cfca0..6e948c5a3 100644
--- a/app/models/champs/linked_drop_down_list_champ.rb
+++ b/app/models/champs/linked_drop_down_list_champ.rb
@@ -43,10 +43,6 @@ class Champs::LinkedDropDownListChamp < Champ
     primary_value.present? && secondary_options[primary_value]&.any?(&:present?)
   end
 
-  def in?(options)
-    options.include?(primary_value) || options.include?(secondary_value)
-  end
-
   private
 
   def pack_value(primary, secondary)
diff --git a/app/models/champs/multiple_drop_down_list_champ.rb b/app/models/champs/multiple_drop_down_list_champ.rb
index 0e1ff8ff6..8825d4617 100644
--- a/app/models/champs/multiple_drop_down_list_champ.rb
+++ b/app/models/champs/multiple_drop_down_list_champ.rb
@@ -29,10 +29,6 @@ class Champs::MultipleDropDownListChamp < Champ
     render_as_checkboxes?
   end
 
-  def in?(options)
-    (selected_options - options).size != selected_options.size
-  end
-
   def focusable_input_id
     render_as_checkboxes? ? checkbox_id(drop_down_options.first) : input_id
   end
diff --git a/app/models/concerns/dossier_clone_concern.rb b/app/models/concerns/dossier_clone_concern.rb
index 84e288146..8ddca734b 100644
--- a/app/models/concerns/dossier_clone_concern.rb
+++ b/app/models/concerns/dossier_clone_concern.rb
@@ -73,7 +73,7 @@ module DossierCloneConcern
     return false if revision_id > editing_fork.revision_id
 
     transaction do
-      rebase!(force: true)
+      rebase!
       diff = make_diff(editing_fork)
       apply_diff(diff)
       touch(:last_champ_updated_at)
diff --git a/app/models/concerns/dossier_rebase_concern.rb b/app/models/concerns/dossier_rebase_concern.rb
index 54d79f10f..a3ae84be1 100644
--- a/app/models/concerns/dossier_rebase_concern.rb
+++ b/app/models/concerns/dossier_rebase_concern.rb
@@ -3,15 +3,12 @@
 module DossierRebaseConcern
   extend ActiveSupport::Concern
 
-  def rebase!(force: false)
+  def rebase!
     ProcedureRevisionPreloader.new([procedure.published_revision, revision].compact).all
     return if procedure.published_revision.blank?
+    return if !can_rebase?
 
-    if force || can_rebase?
-      transaction do
-        rebase
-      end
-    end
+    transaction { rebase }
   end
 
   def rebase_later
@@ -19,32 +16,15 @@ module DossierRebaseConcern
   end
 
   def can_rebase?
-    procedure.published_revision.present? && revision != procedure.published_revision &&
-      (brouillon? || accepted_en_construction_changes? || accepted_en_instruction_changes?)
+    procedure.published_revision.present? && revision != procedure.published_revision && !termine?
   end
 
   def pending_changes
     procedure.published_revision.present? ? revision.compare_types_de_champ(procedure.published_revision) : []
   end
 
-  def can_rebase_mandatory_change?(stable_id)
-    !champs.filter { _1.stable_id == stable_id }.any?(&:blank?)
-  end
-
-  def can_rebase_drop_down_options_change?(stable_id, options)
-    !champs.filter { _1.stable_id == stable_id }.any? { _1.in?(options) }
-  end
-
   private
 
-  def accepted_en_construction_changes?
-    en_construction? && pending_changes.all? { _1.can_rebase?(self) }
-  end
-
-  def accepted_en_instruction_changes?
-    en_instruction? && pending_changes.all? { _1.can_rebase?(self) }
-  end
-
   def rebase
     # revision we are rebasing to
     target_revision = procedure.published_revision
diff --git a/app/models/procedure_revision_change.rb b/app/models/procedure_revision_change.rb
index ddd52a7d0..6f6984e84 100644
--- a/app/models/procedure_revision_change.rb
+++ b/app/models/procedure_revision_change.rb
@@ -22,7 +22,6 @@ class ProcedureRevisionChange
 
     def op = :add
     def mandatory? = @type_de_champ.mandatory?
-    def can_rebase?(dossier = nil) = !mandatory?
 
     def to_h = super.merge(mandatory: mandatory?)
   end
@@ -33,7 +32,6 @@ class ProcedureRevisionChange
     end
 
     def op = :remove
-    def can_rebase?(dossier = nil) = true
   end
 
   class MoveChamp < TypeDeChange
@@ -46,7 +44,6 @@ class ProcedureRevisionChange
     end
 
     def op = :move
-    def can_rebase?(dossier = nil) = true
     def to_h = super.merge(from:, to:)
   end
 
@@ -62,22 +59,6 @@ class ProcedureRevisionChange
 
     def op = :update
     def to_h = super.merge(attribute:, from:, to:)
-
-    def can_rebase?(dossier = nil)
-      return true if private?
-      case attribute
-      when :drop_down_options
-        (from - to).empty? || dossier&.can_rebase_drop_down_options_change?(stable_id, from - to)
-      when :drop_down_other
-        !from && to
-      when :mandatory
-        (from && !to) || dossier&.can_rebase_mandatory_change?(stable_id)
-      when :type_champ, :condition, :expression_reguliere
-        false
-      else
-        true
-      end
-    end
   end
 
   class EligibiliteRulesChange
diff --git a/spec/models/concerns/dossier_rebase_concern_spec.rb b/spec/models/concerns/dossier_rebase_concern_spec.rb
index 1f54fa997..83a2d9a13 100644
--- a/spec/models/concerns/dossier_rebase_concern_spec.rb
+++ b/spec/models/concerns/dossier_rebase_concern_spec.rb
@@ -28,12 +28,11 @@ describe DossierRebaseConcern do
         dossier
       end
 
-      context 'with added non mandatory type de champ' do
+      context 'with added type de champ' do
         before do
           procedure.draft_revision.add_type_de_champ({
             type_champ: TypeDeChamp.type_champs.fetch(:text),
-            libelle: "Un champ text",
-            mandatory: false
+            libelle: "Un champ text"
           })
           procedure.publish_revision!
           dossier.reload
@@ -44,116 +43,6 @@ describe DossierRebaseConcern do
           expect(dossier.can_rebase?).to be_truthy
         end
       end
-
-      context 'with added mandatory type de champ' do
-        before do
-          procedure.draft_revision.add_type_de_champ({
-            type_champ: TypeDeChamp.type_champs.fetch(:text),
-            libelle: "Un champ text",
-            mandatory: true
-          })
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be false' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_falsey
-        end
-      end
-
-      context 'with type de champ made optional' do
-        before do
-          procedure.draft_revision.find_and_ensure_exclusive_use(mandatory_type_de_champ.stable_id).update(mandatory: false)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be true' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_truthy
-        end
-      end
-
-      context 'with type de champ made mandatory' do
-        before do
-          procedure.draft_revision.find_and_ensure_exclusive_use(type_de_champ.stable_id).update(mandatory: true)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be false' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_falsey
-        end
-
-        context 'with a value' do
-          before do
-            dossier.champs.find_by(stable_id: type_de_champ.stable_id).update(value: 'a value')
-          end
-
-          it 'should be true' do
-            expect(dossier.pending_changes).not_to be_empty
-            expect(dossier.can_rebase?).to be_truthy
-          end
-        end
-      end
-
-      context 'with type de champ change type' do
-        context 'type de champ public' do
-          before do
-            procedure.draft_revision.find_and_ensure_exclusive_use(type_de_champ.stable_id).update(type_champ: :checkbox)
-            procedure.publish_revision!
-            dossier.reload
-          end
-
-          it 'should be false' do
-            expect(dossier.pending_changes).not_to be_empty
-            expect(dossier.can_rebase?).to be_falsey
-          end
-        end
-
-        context 'type de champ private' do
-          before do
-            procedure.draft_revision.find_and_ensure_exclusive_use(private_type_de_champ.stable_id).update(type_champ: :checkbox)
-            procedure.publish_revision!
-            dossier.reload
-          end
-
-          it 'should be true' do
-            expect(dossier.pending_changes).not_to be_empty
-            expect(dossier.can_rebase?).to be_truthy
-          end
-        end
-      end
-
-      context 'with type de champ regexp and regexp change' do
-        let(:procedure) { create(:procedure, types_de_champ_public: [{ mandatory: true }, { type: :expression_reguliere, mandatory: false }], types_de_champ_private: [{}]) }
-
-        before do
-          procedure.draft_revision.find_and_ensure_exclusive_use(type_de_champ.stable_id).update(expression_reguliere: /\d+/)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be false' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_falsey
-        end
-      end
-
-      context 'with removed type de champ' do
-        before do
-          procedure.draft_revision.remove_type_de_champ(type_de_champ.stable_id)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be true' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_truthy
-        end
-      end
     end
 
     context 'en_instruction' do
@@ -165,12 +54,11 @@ describe DossierRebaseConcern do
         dossier
       end
 
-      context 'with added non mandatory type de champ' do
+      context 'with added type de champ' do
         before do
           procedure.draft_revision.add_type_de_champ({
             type_champ: TypeDeChamp.type_champs.fetch(:text),
-            libelle: "Un champ text",
-            mandatory: false
+            libelle: "Un champ text"
           })
           procedure.publish_revision!
           dossier.reload
@@ -181,90 +69,32 @@ describe DossierRebaseConcern do
           expect(dossier.can_rebase?).to be_truthy
         end
       end
+    end
 
-      context 'with added mandatory type de champ' do
+    context 'accepte' do
+      let(:dossier) { create(:dossier, :accepte, procedure: procedure) }
+
+      before do
+        procedure.publish!
+        procedure.reload
+        dossier
+      end
+
+      context 'with added type de champ' do
         before do
           procedure.draft_revision.add_type_de_champ({
             type_champ: TypeDeChamp.type_champs.fetch(:text),
-            libelle: "Un champ text",
-            mandatory: true
+            libelle: "Un champ text"
           })
           procedure.publish_revision!
           dossier.reload
         end
 
-        it 'should be false' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_falsey
-        end
-      end
-
-      context 'with type de champ made optional' do
-        before do
-          procedure.draft_revision.find_and_ensure_exclusive_use(mandatory_type_de_champ.stable_id).update(mandatory: false)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
         it 'should be true' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_truthy
-        end
-      end
-
-      context 'with type de champ made mandatory' do
-        before do
-          procedure.draft_revision.find_and_ensure_exclusive_use(type_de_champ.stable_id).update(mandatory: true)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be false' do
           expect(dossier.pending_changes).not_to be_empty
           expect(dossier.can_rebase?).to be_falsey
         end
       end
-
-      context 'with type de champ change type' do
-        context 'type de champ public' do
-          before do
-            procedure.draft_revision.find_and_ensure_exclusive_use(type_de_champ.stable_id).update(type_champ: :checkbox)
-            procedure.publish_revision!
-            dossier.reload
-          end
-
-          it 'should be false' do
-            expect(dossier.pending_changes).not_to be_empty
-            expect(dossier.can_rebase?).to be_falsey
-          end
-        end
-
-        context 'type de champ private' do
-          before do
-            procedure.draft_revision.find_and_ensure_exclusive_use(private_type_de_champ.stable_id).update(type_champ: :checkbox)
-            procedure.publish_revision!
-            dossier.reload
-          end
-
-          it 'should be true' do
-            expect(dossier.pending_changes).not_to be_empty
-            expect(dossier.can_rebase?).to be_truthy
-          end
-        end
-      end
-
-      context 'with removed type de champ' do
-        before do
-          procedure.draft_revision.remove_type_de_champ(type_de_champ.stable_id)
-          procedure.publish_revision!
-          dossier.reload
-        end
-
-        it 'should be true' do
-          expect(dossier.pending_changes).not_to be_empty
-          expect(dossier.can_rebase?).to be_truthy
-        end
-      end
     end
   end
 
@@ -396,8 +226,8 @@ describe DossierRebaseConcern do
       end
     end
 
-    context 'force rebase en construction' do
-      subject { dossier.rebase!(force: true) }
+    context 'rebase en construction' do
+      subject { dossier.rebase! }
 
       context 'procedure not published' do
         let(:procedure) { create(:procedure, :draft, types_de_champ_public:, types_de_champ_private:) }
diff --git a/spec/views/shared/dossiers/_champs.html.haml_spec.rb b/spec/views/shared/dossiers/_champs.html.haml_spec.rb
index 6d250ceaa..ad7e3424c 100644
--- a/spec/views/shared/dossiers/_champs.html.haml_spec.rb
+++ b/spec/views/shared/dossiers/_champs.html.haml_spec.rb
@@ -87,7 +87,7 @@ describe 'shared/dossiers/champs', type: :view do
   end
 
   context "with a dossier_link champ but without value" do
-    let(:types_de_champ_public) { [{ type: :dossier_link }] }
+    let(:types_de_champ_public) { [{ type: :dossier_link, mandatory: false }] }
 
     before do
       dossier.champs.first.update(value: nil)
@@ -102,7 +102,7 @@ describe 'shared/dossiers/champs', type: :view do
   end
 
   context "with a piece justificative without value" do
-    let(:types_de_champ_public) { [{ type: :piece_justificative }] }
+    let(:types_de_champ_public) { [{ type: :piece_justificative, mandatory: false }] }
 
     before do
       dossier.champs.first.piece_justificative_file.purge