diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index ed858ddab..7e137a918 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -1228,6 +1228,13 @@ class Dossier < ApplicationRecord
       columns << ['Entreprise raison sociale', etablissement&.entreprise_raison_sociale]
     end
 
+    if procedure.chorusable? && procedure.chorus.complete?
+      columns += [
+        ['Domaine Fonctionnel', procedure.chorus_configuration.domaine_fonctionnel.code],
+        ['Referentiel De Programmation', procedure.chorus_configuration.referentiel_de_programmation.code],
+        ['Centre De Coup', procedure.chorus_configuration.centre_de_coup.code]
+      ]
+    end
     columns += [
       ['Archivé', :archived],
       ['État du dossier', Dossier.human_attribute_name("state.#{state}")],
diff --git a/spec/services/procedure_export_service_spec.rb b/spec/services/procedure_export_service_spec.rb
index b401e9321..a7f94feb7 100644
--- a/spec/services/procedure_export_service_spec.rb
+++ b/spec/services/procedure_export_service_spec.rb
@@ -141,6 +141,21 @@ describe ProcedureExportService do
         end
         it { expect(dossiers_sheet.data.first.size).to eq(nominal_headers.size) }
       end
+
+      context 'with procedure chorus' do
+        let(:procedure) { create(:procedure, :published, :for_individual, :filled_chorus, :with_all_champs) }
+        let!(:dossier) { create(:dossier, :en_instruction, :with_populated_champs, procedure: procedure) }
+
+        it 'includes chorus headers' do
+          expected_headers = [
+            'Domaine Fonctionnel',
+            'Referentiel De Programmation',
+            'Centre De Coup'
+          ]
+
+          expect(dossiers_sheet.headers).to match_array(nominal_headers)
+        end
+      end
     end
 
     describe 'Etablissement sheet' do