diff --git a/app/components/dossiers/message_component/message_component.en.yml b/app/components/dossiers/message_component/message_component.en.yml
index a24af5c49..22ac79059 100644
--- a/app/components/dossiers/message_component/message_component.en.yml
+++ b/app/components/dossiers/message_component/message_component.en.yml
@@ -7,3 +7,4 @@ en:
   automatic_email: Automatic email
   you: You
   deleted_body: Message deleted
+  flagged_pending_corrections: Modification requested
diff --git a/app/components/dossiers/message_component/message_component.fr.yml b/app/components/dossiers/message_component/message_component.fr.yml
index 4386b2ea2..af808590c 100644
--- a/app/components/dossiers/message_component/message_component.fr.yml
+++ b/app/components/dossiers/message_component/message_component.fr.yml
@@ -7,3 +7,4 @@ fr:
   automatic_email: Email automatique
   you: Vous
   deleted_body: Message supprimé
+  flagged_pending_corrections: Modification demandée
diff --git a/app/components/dossiers/message_component/message_component.html.haml b/app/components/dossiers/message_component/message_component.html.haml
index 2785815a2..992c60b45 100644
--- a/app/components/dossiers/message_component/message_component.html.haml
+++ b/app/components/dossiers/message_component/message_component.html.haml
@@ -6,6 +6,9 @@
       = commentaire_issuer
     - if commentaire_from_guest?
       %span.fr-text--xs.fr-text-mention--grey.font-weight-normal= t('.guest')
+    - if commentaire.flagged_pending_corrections?
+      %span.fr-badge.fr-badge--sm.fr-badge--info
+        = t('.flagged_pending_corrections')
     %span.date{ class: ["fr-text--xs", "fr-text-mention--grey", "font-weight-normal", highlight_if_unseen_class], data: scroll_to_target }
       = commentaire_date
   .rich-text
diff --git a/app/controllers/instructeurs/dossiers_controller.rb b/app/controllers/instructeurs/dossiers_controller.rb
index 220fd83a5..53513e77b 100644
--- a/app/controllers/instructeurs/dossiers_controller.rb
+++ b/app/controllers/instructeurs/dossiers_controller.rb
@@ -223,6 +223,34 @@ module Instructeurs
       render :change_state
     end
 
+    def pending_corrections
+      message, piece_jointe = params.require(:dossier).permit(:motivation, :justificatif_motivation).values
+
+      if message.empty?
+        flash.alert = "Vous devez préciser quelle modification est attendue."
+      elsif !dossier.may_flag_as_pending_correction?
+        flash.alert = dossier.termine? ? "Impossible de demander de corriger un dossier terminé." : "Le dossier est déjà en attente de correction."
+      else
+        commentaire = CommentaireService.create(current_instructeur, dossier, { body: message, piece_jointe: })
+        dossier.flag_as_pending_correction!(commentaire)
+        dossier.update!(last_commentaire_updated_at: Time.zone.now)
+        current_instructeur.follow(dossier)
+
+        flash.notice = "Dossier marqué comme en attente de correction."
+      end
+
+      respond_to do |format|
+        format.turbo_stream do
+          @dossier = dossier
+          render :change_state
+        end
+
+        format.html do
+          redirect_back(fallback_location: instructeur_procedure_path(procedure))
+        end
+      end
+    end
+
     def create_commentaire
       @commentaire = CommentaireService.create(current_instructeur, dossier, commentaire_params)
 
diff --git a/app/models/commentaire.rb b/app/models/commentaire.rb
index 1a90af788..a3eecafed 100644
--- a/app/models/commentaire.rb
+++ b/app/models/commentaire.rb
@@ -95,6 +95,10 @@ class Commentaire < ApplicationRecord
     update! body: ''
   end
 
+  def flagged_pending_corrections?
+    DossierResolution.exists?(commentaire: self)
+  end
+
   private
 
   def notify
diff --git a/app/models/concerns/dossier_resolvable_concern.rb b/app/models/concerns/dossier_resolvable_concern.rb
index cb71fe885..f4d827b56 100644
--- a/app/models/concerns/dossier_resolvable_concern.rb
+++ b/app/models/concerns/dossier_resolvable_concern.rb
@@ -4,6 +4,22 @@ module DossierResolvableConcern
   included do
     has_many :resolutions, class_name: 'DossierResolution', dependent: :destroy
 
+    def flag_as_pending_correction!(commentaire)
+      return unless may_flag_as_pending_correction?
+
+      resolutions.create(commentaire:)
+
+      return if en_construction?
+
+      repasser_en_construction!(instructeur: commentaire.instructeur)
+    end
+
+    def may_flag_as_pending_correction?
+      return false if resolutions.pending.exists?
+
+      en_construction? || may_repasser_en_construction?
+    end
+
     def pending_resolution?
       # We don't want to show any alert if user is not allowed to modify the dossier
       return false unless en_construction?
diff --git a/app/views/instructeurs/dossiers/_instruction_button.html.haml b/app/views/instructeurs/dossiers/_instruction_button.html.haml
index fbf1b1b3b..c8ed93ca5 100644
--- a/app/views/instructeurs/dossiers/_instruction_button.html.haml
+++ b/app/views/instructeurs/dossiers/_instruction_button.html.haml
@@ -1,35 +1,56 @@
-- if dossier.en_instruction?
+- if dossier.en_instruction? || (dossier.en_construction? && dossier.may_flag_as_pending_correction?)
   = render Dropdown::MenuComponent.new(wrapper: :div, wrapper_options: { data: { turbo_force: :server } }, button_options: { class: [button_or_label_class(dossier)]}, role: dossier.en_instruction? ? :region : :menu) do |menu|
     - menu.with_button_inner_html do
-      Instruire le dossier
+      = dossier.en_instruction? ? "Instruire le dossier" : "Demander une modification"
 
-    - menu.with_item do
-      = link_to('#', onclick: "DS.showMotivation(event, 'accept');", role: 'menuitem') do
-        %span.icon.accept
-        .dropdown-description
-          %h4 Accepter
-          L’usager sera informé que son dossier a été accepté
+    - if dossier.en_instruction?
+      - menu.with_item do
+        = link_to('#', onclick: "DS.showMotivation(event, 'accept');", role: 'menuitem') do
+          %span.icon.accept
+          .dropdown-description
+            %h4 Accepter
+            L’usager sera informé que son dossier a été accepté
 
-    - menu.with_item(class: "hidden inactive form-inside") do
-      = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier, placeholder: 'Expliquez au demandeur pourquoi ce dossier est accepté (facultatif)', popup_class: 'accept', process_action: 'accepter', title: 'Accepter', confirm: "Confirmez-vous l'acceptation ce dossier ?" }
+      - menu.with_item(class: "hidden inactive form-inside") do
+        = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier, placeholder: 'Expliquez au demandeur pourquoi ce dossier est accepté (facultatif)', popup_class: 'accept', process_action: 'accepter', title: 'Accepter', confirm: "Confirmez-vous l'acceptation ce dossier ?" }
 
 
-    - menu.with_item do
-      = link_to('#', onclick: "DS.showMotivation(event, 'without-continuation');", role: 'menuitem') do
-        %span.icon.without-continuation
-        .dropdown-description
-          %h4 Classer sans suite
-          L’usager sera informé que son dossier a été classé sans suite
+      - menu.with_item do
+        = link_to('#', onclick: "DS.showMotivation(event, 'without-continuation');", role: 'menuitem') do
+          %span.icon.without-continuation
+          .dropdown-description
+            %h4 Classer sans suite
+            L’usager sera informé que son dossier a été classé sans suite
 
-    - menu.with_item(class: "hidden inactive form-inside") do
-      = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier, placeholder: 'Expliquez au demandeur pourquoi ce dossier est classé sans suite (obligatoire)', popup_class: 'without-continuation', process_action: 'classer_sans_suite', title: 'Classer sans suite', confirm: 'Confirmez-vous le classement sans suite de ce dossier ?' }
+      - menu.with_item(class: "hidden inactive form-inside") do
+        = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier, placeholder: 'Expliquez au demandeur pourquoi ce dossier est classé sans suite (obligatoire)', popup_class: 'without-continuation', process_action: 'classer_sans_suite', title: 'Classer sans suite', confirm: 'Confirmez-vous le classement sans suite de ce dossier ?' }
 
-    - menu.with_item do
-      = link_to('#', onclick: "DS.showMotivation(event, 'refuse');", role: 'menuitem') do
-        %span.icon.refuse
-        .dropdown-description
-          %h4 Refuser
-          L’usager sera informé que son dossier a été refusé
+      - menu.with_item do
+        = link_to('#', onclick: "DS.showMotivation(event, 'refuse');", role: 'menuitem') do
+          %span.icon.refuse
+          .dropdown-description
+            %h4 Refuser
+            L’usager sera informé que son dossier a été refusé
 
-    - menu.with_item(class: "hidden inactive form-inside") do
-      = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier, placeholder: 'Expliquez au demandeur pourquoi ce dossier est refusé (obligatoire)', popup_class: 'refuse', process_action: 'refuser', title: 'Refuser', confirm: 'Confirmez-vous le refus de ce dossier ?' }
+      - menu.with_item(class: "hidden inactive form-inside") do
+        = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier, placeholder: 'Expliquez au demandeur pourquoi ce dossier est refusé (obligatoire)', popup_class: 'refuse', process_action: 'refuser', title: 'Refuser', confirm: 'Confirmez-vous le refus de ce dossier ?' }
+
+    - if dossier.may_flag_as_pending_correction?
+      - menu.with_item do
+        = link_to('#', onclick: "DS.showMotivation(event, 'pending_corrections');", role: 'menuitem') do
+          %span.fr-icon.fr-icon-error-warning-line.fr-text-default--info{ "aria-hidden": "true" }
+          .dropdown-description
+            %h4 Demander une modification
+            L’usager sera informé que des modifications sont attendues
+
+      - menu.with_item(class: class_names("inactive form-inside": true, hidden: dossier.en_instruction?)) do
+        = render partial: 'instructeurs/dossiers/instruction_button_motivation', locals: { dossier: dossier,
+            visible: !dossier.en_instruction?,
+            form_path: pending_corrections_instructeur_dossier_path(dossier.procedure, dossier),
+            placeholder: 'Expliquez au demandeur quelles modifications sont attendues',
+            popup_class: 'pending_corrections',
+            button_justificatif_label: "Ajouter une pièce jointe (facultatif)",
+            process_button: dossier.en_construction? ? 'Valider' : 'Valider et repasser en construction',
+            process_action: nil,
+            title: 'Marquer en attente de corrections',
+            confirm: 'Envoyer la demande de corrections ?'}
diff --git a/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml b/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml
index 4d089c6e4..31bc2c56f 100644
--- a/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml
+++ b/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml
@@ -1,5 +1,5 @@
-.motivation.hidden{ class: popup_class }
-  = form_tag(terminer_instructeur_dossier_path(dossier.procedure, dossier), data: { turbo: true, turbo_confirm: confirm }, method: :post, multipart: true) do
+.motivation{ class: class_names(popup_class => true, hidden: !defined?(visible) || !visible) }
+  = form_tag(defined?(form_path) ? form_path : terminer_instructeur_dossier_path(dossier.procedure, dossier), data: { turbo: true, turbo_confirm: confirm }, method: :post, multipart: true) do
     - if title == 'Accepter'
       = text_area :dossier, :motivation, class: 'fr-input', placeholder: placeholder, required: false
       - if dossier.attestation_template&.activated?
@@ -28,11 +28,11 @@
     - else
       = text_area :dossier, :motivation, class: 'fr-input', placeholder: placeholder, required: true
     .optional-justificatif{ id: "justificatif_motivation_suggest_#{popup_class}", onclick: "DS.showImportJustificatif('#{popup_class}');" }
-      %button.fr-btn.fr-btn--tertiary-no-outline.fr-btn--icon-left.fr-icon-attachment-line.fr-ml-0{ type: 'button', onclick: "DS.showImportJustificatif('accept');" } Ajouter un justificatif (optionnel)
+      %button.fr-btn.fr-btn--tertiary-no-outline.fr-btn--icon-left.fr-icon-attachment-line.fr-ml-0{ type: 'button', onclick: "DS.showImportJustificatif('accept');" }= defined?(button_justificatif_label) ? button_justificatif_label : "Ajouter un justificatif (optionnel)"
     .hidden{ id: "justificatif_motivation_import_#{popup_class}" }
       = file_field :dossier, :justificatif_motivation, direct_upload: true, id: "dossier_justificatif_motivation_#{popup_class}",onchange: "DS.showDeleteJustificatif('#{popup_class}');"
     .hidden.js_delete_motivation{ id: "delete_motivation_import_#{popup_class}" }
       %button.fr-btn.fr-btn--tertiary-no-outline.fr-btn--icon-left.fr-icon-delete-line.fr-ml-0.fr-mt-1w{ type: 'button', onclick: "DS.deleteJustificatif('#{popup_class}');" } Supprimer le  justificatif
     .fr-mt-2w
       = button_tag "Annuler", type: :reset, class: 'fr-btn fr-btn--secondary', onclick: 'DS.motivationCancel();'
-      = button_tag 'Valider la décision', name: :process_action, value: process_action, class: 'fr-btn fr-mr-0', title: title
+      = button_tag defined?(process_button) ? process_button : 'Valider la décision', name: :process_action, value: process_action, class: 'fr-btn fr-mr-0', title: title
diff --git a/config/routes.rb b/config/routes.rb
index 5c15cebf5..91d193c75 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -445,6 +445,7 @@ Rails.application.routes.draw do
             post 'repasser-en-construction' => 'dossiers#repasser_en_construction'
             post 'repasser-en-instruction' => 'dossiers#repasser_en_instruction'
             post 'terminer'
+            post 'pending_corrections'
             post 'send-to-instructeurs' => 'dossiers#send_to_instructeurs'
             post 'avis' => 'dossiers#create_avis'
             get 'print' => 'dossiers#print'
diff --git a/spec/controllers/instructeurs/dossiers_controller_spec.rb b/spec/controllers/instructeurs/dossiers_controller_spec.rb
index 4b499faf4..5961564ec 100644
--- a/spec/controllers/instructeurs/dossiers_controller_spec.rb
+++ b/spec/controllers/instructeurs/dossiers_controller_spec.rb
@@ -496,6 +496,90 @@ describe Instructeurs::DossiersController, type: :controller do
     end
   end
 
+  describe '#pending_corrections' do
+    let(:message) { 'do that' }
+    let(:justificatif) { nil }
+
+    subject do
+      post :pending_corrections, params: {
+        procedure_id: procedure.id, dossier_id: dossier.id,
+        dossier: { motivation: message, justificatif_motivation: justificatif }
+      }, format: :turbo_stream
+    end
+
+    before { sign_in(instructeur.user) }
+
+    context "dossier en instruction" do
+      let(:dossier) { create(:dossier, :en_instruction, :with_individual, procedure: procedure) }
+
+      before { subject }
+
+      it 'pass en_construction and create a pending resolution' do
+        expect(response).to have_http_status(:ok)
+        expect(response.body).to include('en attente de modifications')
+
+        expect(dossier.reload).to be_en_construction
+        expect(dossier).to be_pending_resolution
+      end
+
+      it 'create a comment with text body' do
+        expect(dossier.commentaires.last.body).to eq("do that")
+        expect(dossier.commentaires.last).to be_flagged_pending_corrections
+      end
+
+      context 'with an attachment' do
+        let(:justificatif) { fake_justificatif }
+
+        it 'attach file to comment' do
+          expect(dossier.commentaires.last.piece_jointe).to be_attached
+        end
+      end
+
+      context 'with an empty message' do
+        let(:message) { '' }
+
+        it 'requires a message' do
+          expect(dossier.reload).not_to be_pending_resolution
+          expect(dossier.commentaires.count).to eq(0)
+          expect(response.body).to include('Vous devez préciser')
+        end
+      end
+
+      context 'dossier already having pending corrections' do
+        before do
+          create(:dossier_resolution, dossier:)
+        end
+
+        it 'does not create an new pending resolution' do
+          expect { subject }.not_to change { DossierResolution.count }
+        end
+
+        it 'shows a flash alert' do
+          subject
+
+          expect(response.body).to include('')
+        end
+      end
+    end
+
+    context 'dossier en_construction' do
+      it 'can create a pending resolution' do
+        subject
+        expect(dossier.reload).to be_pending_resolution
+        expect(dossier.commentaires.last).to be_flagged_pending_corrections
+      end
+    end
+
+    context 'dossier is termine' do
+      let(:dossier) { create(:dossier, :accepte, :with_individual, procedure: procedure) }
+
+      it 'does not create a pending resolution' do
+        expect { subject }.not_to change { DossierResolution.count }
+        expect(response.body).to include('Impossible')
+      end
+    end
+  end
+
   describe '#messagerie' do
     before { expect(controller.current_instructeur).to receive(:mark_tab_as_seen).with(dossier, :messagerie) }
     subject { get :messagerie, params: { procedure_id: procedure.id, dossier_id: dossier.id } }
diff --git a/spec/models/concern/dossier_resolvable_concern_spec.rb b/spec/models/concern/dossier_resolvable_concern_spec.rb
index 4127f6c1d..d02b0b539 100644
--- a/spec/models/concern/dossier_resolvable_concern_spec.rb
+++ b/spec/models/concern/dossier_resolvable_concern_spec.rb
@@ -25,4 +25,56 @@ describe DossierResolvableConcern do
       it { expect(dossier.pending_resolution?).to be_falsey }
     end
   end
+
+  describe '#flag_as_pending_correction!' do
+    let(:dossier) { create(:dossier, :en_construction) }
+    let(:instructeur) { create(:instructeur) }
+    let(:commentaire) { create(:commentaire, dossier:, instructeur:) }
+
+    context 'when dossier is en_construction' do
+      it 'creates a resolution' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.to change { dossier.resolutions.pending.count }.by(1)
+      end
+
+      it 'does not change dossier state' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.not_to change { dossier.state }
+      end
+    end
+
+    context 'when dossier is not en_instruction' do
+      let(:dossier) { create(:dossier, :en_instruction) }
+
+      it 'creates a resolution' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.to change { dossier.resolutions.pending.count }.by(1)
+      end
+
+      it 'repasse dossier en_construction' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.to change { dossier.state }.to('en_construction')
+      end
+    end
+
+    context 'when dossier has already a pending resolution' do
+      before { create(:dossier_resolution, dossier:) }
+
+      it 'does not create a resolution' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.not_to change { dossier.resolutions.pending.count }
+      end
+    end
+
+    context 'when dossier has already a resolved resolution' do
+      before { create(:dossier_resolution, :resolved, dossier:) }
+
+      it 'creates a resolution' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.to change { dossier.resolutions.pending.count }.by(1)
+      end
+    end
+
+    context 'when dossier is not en_construction and may not be repassed en_construction' do
+      let(:dossier) { create(:dossier, :accepte) }
+
+      it 'does not create a resolution' do
+        expect { dossier.flag_as_pending_correction!(commentaire) }.not_to change { dossier.resolutions.pending.count }
+      end
+    end
+  end
 end
diff --git a/spec/views/instructeur/dossiers/_instruction_button.html.haml_spec.rb b/spec/views/instructeur/dossiers/_instruction_button.html.haml_spec.rb
index be44ec1ac..a1cf9193e 100644
--- a/spec/views/instructeur/dossiers/_instruction_button.html.haml_spec.rb
+++ b/spec/views/instructeur/dossiers/_instruction_button.html.haml_spec.rb
@@ -29,15 +29,25 @@ describe 'instructeurs/dossiers/instruction_button', type: :view do
     end
   end
 
+  context 'en_construction' do
+    let(:dossier) { create(:dossier, :en_construction) }
+
+    it 'renders a dropdown' do
+      expect(rendered).to have_dropdown_title('Demander une modification')
+      expect(rendered).to have_dropdown_items(count: 2) # form is already expanded so we have 2 visible items
+    end
+  end
+
   context 'en_instruction' do
     let(:dossier) { create(:dossier, :en_instruction) }
 
     it 'renders a dropdown' do
       expect(rendered).to have_dropdown_title('Instruire le dossier')
-      expect(rendered).to have_dropdown_items(count: 3)
+      expect(rendered).to have_dropdown_items(count: 4)
       expect(rendered).to have_dropdown_item('Accepter')
       expect(rendered).to have_dropdown_item('Classer sans suite')
       expect(rendered).to have_dropdown_item('Refuser')
+      expect(rendered).to have_dropdown_item('Demander une modification')
     end
   end
 end
diff --git a/spec/views/instructeur/dossiers/show.html.haml_spec.rb b/spec/views/instructeur/dossiers/show.html.haml_spec.rb
index 945eb8f87..34a3a44f0 100644
--- a/spec/views/instructeur/dossiers/show.html.haml_spec.rb
+++ b/spec/views/instructeur/dossiers/show.html.haml_spec.rb
@@ -61,7 +61,8 @@ describe 'instructeurs/dossiers/show', type: :view do
       within("form[action=\"#{follow_instructeur_dossier_path(dossier.procedure, dossier)}\"]") do
         expect(subject).to have_button('Suivre le dossier')
       end
-      expect(subject).to have_selector('.header-actions ul:first-child .fr-btn', count: 2)
+      expect(subject).to have_button('Demander une modification')
+      expect(subject).to have_selector('.header-actions ul:first-child > li.instruction-button', count: 1)
     end
   end