diff --git a/app/controllers/administrateurs/procedures_controller.rb b/app/controllers/administrateurs/procedures_controller.rb
index e2c19de65..c206b3724 100644
--- a/app/controllers/administrateurs/procedures_controller.rb
+++ b/app/controllers/administrateurs/procedures_controller.rb
@@ -115,7 +115,11 @@ module Administrateurs
     end
 
     def create
-      @procedure = Procedure.new(procedure_params.merge(administrateurs: [current_administrateur]))
+      new_procedure_params = { max_duree_conservation_dossiers_dans_ds: Procedure::NEW_MAX_DUREE_CONSERVATION }
+        .merge(procedure_params)
+        .merge(administrateurs: [current_administrateur])
+
+      @procedure = Procedure.new(new_procedure_params)
       @procedure.draft_revision = @procedure.revisions.build
 
       if !@procedure.save
diff --git a/app/views/administrateurs/procedures/_informations.html.haml b/app/views/administrateurs/procedures/_informations.html.haml
index 972a36d51..3e1e19e2f 100644
--- a/app/views/administrateurs/procedures/_informations.html.haml
+++ b/app/views/administrateurs/procedures/_informations.html.haml
@@ -25,7 +25,7 @@
   = t(:notice, scope: [:administrateurs, :duree_conservation_dossiers_dans_ds])
   - if f.object.duree_conservation_dossiers_dans_ds.to_i < Procedure::NEW_MAX_DUREE_CONSERVATION
     = t(:new_duration_constraint, scope: [:administrateurs, :duree_conservation_dossiers_dans_ds], new_duration_in_month: Procedure::NEW_MAX_DUREE_CONSERVATION)
-= f.number_field :duree_conservation_dossiers_dans_ds, { class: 'form-control', placeholder: '6', required: true }.merge(f.object.duree_conservation_etendue_par_ds ? {} : { max: 12 })
+= f.number_field :duree_conservation_dossiers_dans_ds, { class: 'form-control', placeholder: '6', required: true }.merge(f.object.duree_conservation_etendue_par_ds ? {} : { max: Procedure::NEW_MAX_DUREE_CONSERVATION })
 
 - if @procedure.created_at.present?
   = f.label :lien_site_web do
diff --git a/spec/controllers/administrateurs/procedures_controller_spec.rb b/spec/controllers/administrateurs/procedures_controller_spec.rb
index 034ec1704..d6667b9e4 100644
--- a/spec/controllers/administrateurs/procedures_controller_spec.rb
+++ b/spec/controllers/administrateurs/procedures_controller_spec.rb
@@ -342,6 +342,25 @@ describe Administrateurs::ProceduresController, type: :controller do
         it { expect(flash[:notice]).to be_present }
       end
 
+      describe "procedure is saved with custom retention period" do
+        let(:duree_conservation_dossiers_dans_ds) { 17 }
+
+        before do
+          stub_const("Procedure::NEW_MAX_DUREE_CONSERVATION", 18)
+        end
+
+        subject { post :create, params: { procedure: procedure_params } }
+
+        it { expect { subject }.to change { Procedure.count }.by(1) }
+
+        it "must save retention period and max retention period" do
+          subject
+          last_procedure = Procedure.last
+          expect(last_procedure.duree_conservation_dossiers_dans_ds).to eq(duree_conservation_dossiers_dans_ds)
+          expect(last_procedure.max_duree_conservation_dossiers_dans_ds).to eq(Procedure::NEW_MAX_DUREE_CONSERVATION)
+        end
+      end
+
       context 'when procedure is correctly saved' do
         let(:instructeur) { admin.instructeur }