diff --git a/app/components/dossiers/batch_operation_component/batch_operation_component.html.haml b/app/components/dossiers/batch_operation_component/batch_operation_component.html.haml
index 78ef660da..34fcd4ae2 100644
--- a/app/components/dossiers/batch_operation_component/batch_operation_component.html.haml
+++ b/app/components/dossiers/batch_operation_component/batch_operation_component.html.haml
@@ -16,5 +16,18 @@
           %ul.dropdown-items
             - available_operations[:options].each do |opt|
               %li{ 'data-turbo': 'true' }
-                = form_for(BatchOperation.new, url: instructeur_batch_operations_path(procedure_id: procedure.id), method: :post, html: { class: 'flex justify-end', id: "#{dom_id(BatchOperation.new)}_#{opt[:operation]}" }, data: { "batch-operation-target" => "form"}) do |form|
-                  = form.button opt[:label], class: ['fr-btn--icon-left', icons[opt[:operation].to_sym]], disabled: :disabled, name: "#{form.object_name}[operation]", data: { "batch-operation-target" => "submit", "submitter-operation" => opt[:operation]}
+                = form_for(BatchOperation.new, url: instructeur_batch_operations_path(procedure_id: procedure.id), method: :post, html: { class: 'flex justify-end form', id: "#{dom_id(BatchOperation.new)}_#{opt[:operation]}" }, data: { "batch-operation-target" => "form"}) do |form|
+                  - if opt[:operation] == 'accepter'
+                    .wrapper
+                      %a{ href: '#', onclick: "DS.showMotivation(event, 'accept');", class: ['fr-btn--icon-left', icons[opt[:operation].to_sym]] }
+                        = opt[:label]
+
+                      .motivation.hidden{ class: 'accept' }
+                        = form.text_area :motivation, class: 'motivation-text-area'
+
+                        .text-right
+                          %span{ onclick: 'DS.motivationCancel();', class: 'fr-btn fr-btn--secondary' } Annuler
+
+                          = form.button "Valider la décision", class: ['fr-btn'], disabled: :disabled, name: "#{form.object_name}[operation]", data: { "batch-operation-target" => "submit", "submitter-operation" => opt[:operation]}
+                  - else
+                    = form.button opt[:label], class: ['fr-btn--icon-left', icons[opt[:operation].to_sym]], disabled: :disabled, name: "#{form.object_name}[operation]", data: { "batch-operation-target" => "submit", "submitter-operation" => opt[:operation]}
diff --git a/app/controllers/instructeurs/batch_operations_controller.rb b/app/controllers/instructeurs/batch_operations_controller.rb
index 554c43d84..2a55050f1 100644
--- a/app/controllers/instructeurs/batch_operations_controller.rb
+++ b/app/controllers/instructeurs/batch_operations_controller.rb
@@ -13,7 +13,7 @@ module Instructeurs
 
     def batch_operation_params
       params.require(:batch_operation)
-        .permit(:operation, dossier_ids: [])
+        .permit(:operation, :motivation, dossier_ids: [])
         .merge(instructeur: current_instructeur)
     end
 
diff --git a/app/models/batch_operation.rb b/app/models/batch_operation.rb
index 2f3621e5f..f839b1c56 100644
--- a/app/models/batch_operation.rb
+++ b/app/models/batch_operation.rb
@@ -27,6 +27,8 @@ class BatchOperation < ApplicationRecord
   has_many :groupe_instructeurs, through: :dossier_operations
   belongs_to :instructeur
 
+  store_accessor :payload, :motivation
+
   validates :operation, presence: true
 
   before_create :build_operations
@@ -71,7 +73,7 @@ class BatchOperation < ApplicationRecord
     when BatchOperation.operations.fetch(:passer_en_instruction)
       dossier.passer_en_instruction(instructeur: instructeur)
     when BatchOperation.operations.fetch(:accepter)
-      dossier.accepter(instructeur: instructeur)
+      dossier.accepter(instructeur: instructeur, motivation: motivation)
     end
   end
 
diff --git a/spec/components/dossiers/batch_operation_component_spec.rb b/spec/components/dossiers/batch_operation_component_spec.rb
index 4547fbc01..c7633f86b 100644
--- a/spec/components/dossiers/batch_operation_component_spec.rb
+++ b/spec/components/dossiers/batch_operation_component_spec.rb
@@ -21,6 +21,8 @@ RSpec.describe Dossiers::BatchOperationComponent, type: :component do
   context 'statut suivis' do
     let(:statut) { 'suivis' }
     it { is_expected.to have_button('Actions multiples', disabled: true) }
+    it { is_expected.to have_button('Passer en instruction les dossiers sélectionnés', disabled: true) }
+    it { is_expected.to have_link('Accepter les dossiers sélectionnés') }
   end
 
   context 'statut tous' do
diff --git a/spec/jobs/batch_operation_process_one_job_spec.rb b/spec/jobs/batch_operation_process_one_job_spec.rb
index b0616d032..6b8b44896 100644
--- a/spec/jobs/batch_operation_process_one_job_spec.rb
+++ b/spec/jobs/batch_operation_process_one_job_spec.rb
@@ -49,7 +49,7 @@ describe BatchOperationProcessOneJob, type: :job do
     context 'when operation is "accepter"' do
       let(:batch_operation) do
         create(:batch_operation, :accepter,
-                                 options.merge(instructeur: create(:instructeur)))
+                                 options.merge(instructeur: create(:instructeur), motivation: 'motivation'))
       end
 
       it 'accepts the dossier in the batch' do
@@ -58,6 +58,13 @@ describe BatchOperationProcessOneJob, type: :job do
           .from(false)
           .to(true)
       end
+
+      it 'accepts the dossier in the batch with a motivation' do
+        expect { subject.perform_now }
+          .to change { dossier_job.reload.motivation }
+          .from(nil)
+          .to('motivation')
+      end
     end
 
     context 'when the dossier is out of sync (ie: someone applied a transition somewhere we do not know)' do