diff --git a/app/serializers/dossier_serializer.rb b/app/serializers/dossier_serializer.rb
index c731d452b..70693205f 100644
--- a/app/serializers/dossier_serializer.rb
+++ b/app/serializers/dossier_serializer.rb
@@ -9,6 +9,7 @@ class DossierSerializer < ActiveModel::Serializer
     :initiated_at,
     :received_at,
     :processed_at,
+    :motivation,
     :accompagnateurs,
     :invites
 
diff --git a/app/serializers/dossier_table_export_serializer.rb b/app/serializers/dossier_table_export_serializer.rb
index 84e569787..877b9b6d6 100644
--- a/app/serializers/dossier_table_export_serializer.rb
+++ b/app/serializers/dossier_table_export_serializer.rb
@@ -7,7 +7,8 @@ class DossierTableExportSerializer < ActiveModel::Serializer
     :state,
     :initiated_at,
     :received_at,
-    :processed_at
+    :processed_at,
+    :motivation
 
   attribute :emails_accompagnateurs
 
diff --git a/doc/apipie_examples.json b/doc/apipie_examples.json
index 7010bc322..f67e5140d 100644
--- a/doc/apipie_examples.json
+++ b/doc/apipie_examples.json
@@ -50,6 +50,7 @@
           "initiated_at": "2017-04-11T12:00:12.000Z",
           "received_at": null,
           "processed_at": null,
+          "motivation": null,
           "accompagnateurs": [
             "gestionnaire@apientreprise.fr"
           ],
diff --git a/spec/controllers/api/v1/dossiers_controller_spec.rb b/spec/controllers/api/v1/dossiers_controller_spec.rb
index 809711108..efb1d8cf2 100644
--- a/spec/controllers/api/v1/dossiers_controller_spec.rb
+++ b/spec/controllers/api/v1/dossiers_controller_spec.rb
@@ -111,10 +111,10 @@ describe API::V1::DossiersController do
       context 'when dossier exists and belongs to procedure' do
         let(:procedure_id) { procedure.id }
         let(:date_creation) { Time.utc(2008, 9, 1, 10, 5, 0) }
-        let!(:dossier) { Timecop.freeze(date_creation) { create(:dossier, :with_entreprise, procedure: procedure) } }
+        let!(:dossier) { Timecop.freeze(date_creation) { create(:dossier, :with_entreprise, procedure: procedure, motivation: "Motivation") } }
         let(:dossier_id) { dossier.id }
         let(:body) { JSON.parse(retour.body, symbolize_names: true) }
-        let(:field_list) { [:id, :created_at, :updated_at, :archived, :mandataire_social, :entreprise, :etablissement, :cerfa, :types_de_piece_justificative, :pieces_justificatives, :champs, :champs_private, :commentaires, :state, :simplified_state, :initiated_at, :processed_at, :received_at, :accompagnateurs, :invites] }
+        let(:field_list) { [:id, :created_at, :updated_at, :archived, :mandataire_social, :entreprise, :etablissement, :cerfa, :types_de_piece_justificative, :pieces_justificatives, :champs, :champs_private, :commentaires, :state, :simplified_state, :initiated_at, :processed_at, :received_at, :motivation, :accompagnateurs, :invites] }
         subject { body[:dossier] }
 
         it 'return REST code 200', :show_in_doc do
diff --git a/spec/models/dossier_spec.rb b/spec/models/dossier_spec.rb
index 2a6434c5e..958afca70 100644
--- a/spec/models/dossier_spec.rb
+++ b/spec/models/dossier_spec.rb
@@ -492,7 +492,7 @@ describe Dossier do
     let(:date1) { 1.day.ago }
     let(:date2) { 1.hour.ago }
     let(:date3) { 1.minute.ago }
-    let(:dossier) { create(:dossier, :with_entreprise, user: user, procedure: procedure, follows: [follow], initiated_at: date1, received_at: date2, processed_at: date3) }
+    let(:dossier) { create(:dossier, :with_entreprise, user: user, procedure: procedure, follows: [follow], initiated_at: date1, received_at: date2, processed_at: date3, motivation: "Motivation") }
 
     describe '#export_headers' do
       subject { dossier.export_headers }
@@ -518,10 +518,11 @@ describe Dossier do
       it { expect(subject[7]).to eq(date2) }
       it { expect(subject[8]).to eq(date3) }
       it { expect(subject[9]).to be_a_kind_of(String) }
-      it { expect(subject[10]).to be_nil }
+      it { expect(subject[10]).to be_a_kind_of(String) }
       it { expect(subject[11]).to be_nil }
       it { expect(subject[12]).to be_nil }
       it { expect(subject[13]).to be_nil }
+      it { expect(subject[14]).to be_nil }
       it { expect(subject.count).to eq(DossierTableExportSerializer.new(dossier).attributes.count + dossier.procedure.types_de_champ.count + dossier.export_entreprise_data.count) }
 
       context 'dossier for individual' do
@@ -529,10 +530,10 @@ describe Dossier do
 
         subject { dossier_with_individual.data_with_champs }
 
-        it { expect(subject[10]).to eq(dossier_with_individual.individual.gender) }
-        it { expect(subject[11]).to eq(dossier_with_individual.individual.prenom) }
-        it { expect(subject[12]).to eq(dossier_with_individual.individual.nom) }
-        it { expect(subject[13]).to eq(dossier_with_individual.individual.birthdate) }
+        it { expect(subject[11]).to eq(dossier_with_individual.individual.gender) }
+        it { expect(subject[12]).to eq(dossier_with_individual.individual.prenom) }
+        it { expect(subject[13]).to eq(dossier_with_individual.individual.nom) }
+        it { expect(subject[14]).to eq(dossier_with_individual.individual.birthdate) }
       end
     end
 
@@ -548,6 +549,7 @@ describe Dossier do
           dossier.initiated_at,
           dossier.received_at,
           dossier.processed_at,
+          "Motivation",
           gestionnaire.email,
           nil,
           nil,