diff --git a/siade/app/interactors/mi/associations/build_resource.rb b/siade/app/interactors/mi/associations/build_resource.rb
index 470093d787..593895eb80 100644
--- a/siade/app/interactors/mi/associations/build_resource.rb
+++ b/siade/app/interactors/mi/associations/build_resource.rb
@@ -99,9 +99,9 @@ def activites
   end
 
   def reseaux_affiliation
-    return [] if association[:reseaux_affiliation].blank?
+    return [] if association[:affiliations].blank?
 
-    Array.wrap(association[:reseaux_affiliation][:reseau_affiliation]).map do |reseau_affiliation|
+    Array.wrap(association[:affiliations][:affiliation]).map do |reseau_affiliation|
       {
         nom: reseau_affiliation[:nom],
         numero: reseau_affiliation[:numero],
@@ -122,9 +122,9 @@ def reseaux_affiliation
   end
 
   def composition_reseau
-    return [] if association[:composition_reseau].blank?
+    return [] if association[:compositions].blank?
 
-    Array.wrap(association[:composition_reseau][:membre]).map do |membre_reseau|
+    Array.wrap(association[:compositions][:membre]).map do |membre_reseau|
       {
         rna: membre_reseau[:id_rna],
         siret: membre_reseau[:id_siret],
diff --git a/siade/app/interactors/mi/associations/payload_parser.rb b/siade/app/interactors/mi/associations/payload_parser.rb
index c157cdd74b..5643cedfa6 100644
--- a/siade/app/interactors/mi/associations/payload_parser.rb
+++ b/siade/app/interactors/mi/associations/payload_parser.rb
@@ -1,8 +1,10 @@
 class MI::Associations::PayloadParser
   SINGLE_ELEMENT_COLLECTIONS = {
     etablissements: :etablissement,
-    representants_legaux: :representant_legal,
-    agrements: :agrement
+    agrements: :agrement,
+    affiliations: :affiliation,
+    compositions: :membre,
+    representants_legaux: :representant_legal
   }.freeze
 
   EXPLODED_COLLECTIONS = {
diff --git a/siade/spec/fixtures/payloads/mi/association-77567227238579.json b/siade/spec/fixtures/payloads/mi/association-77567227238579.json
index d23915d5b4..8ff71a55e3 100644
--- a/siade/spec/fixtures/payloads/mi/association-77567227238579.json
+++ b/siade/spec/fixtures/payloads/mi/association-77567227238579.json
@@ -85,8 +85,8 @@
     "note": "Association reconnue d'utilité publique"
   },
   "specificites": "{\"passsport\": {\"activites\": \"!Multi activités physiques ou sportives\", \"est_volontaire\": \"true\"}}",
-  "reseaux_affiliation": {
-    "reseau_affiliation": {
+  "affiliations": [
+    {
       "id_correspondance": "1234567",
       "nom": "CROIX ROUGE FRANCAISE",
       "id_rna": "W751004076",
@@ -97,9 +97,9 @@
       "nb_licencies_f": "1",
       "numero": "37050001"
     }
-  },
-  "composition_reseau": {
-    "membre": {
+  ],
+  "compositions": [
+    {
       "id_correspondance": "123456",
       "nom": "ARTS ET CULTURES EN FOLIE",
       "id_rna": "W532003071",
@@ -116,7 +116,7 @@
       "telephone": "0836656565",
       "courriel": "whatever@gouv.fr"
     }
-  },
+  ],
   "representants_legaux": [
     {
       "id": "234567",
diff --git a/siade/spec/interactors/mi/associations/build_resource_spec.rb b/siade/spec/interactors/mi/associations/build_resource_spec.rb
index 9af0d05558..e4e20249d5 100644
--- a/siade/spec/interactors/mi/associations/build_resource_spec.rb
+++ b/siade/spec/interactors/mi/associations/build_resource_spec.rb
@@ -50,6 +50,42 @@
           expect(document_url).to eq("#{Siade.credentials[:mi_domain]}/apim/api-asso/documents/00000000-0000-0000-0000-000000000001")
         end
       end
+
+      describe 'reseaux_affiliation' do
+        let(:reseau) { resource.reseaux_affiliation.first }
+
+        it 'maps the provider fields' do
+          expect(reseau).to include(
+            nom: 'CROIX ROUGE FRANCAISE',
+            numero: '37050001',
+            rna: 'W751004076',
+            siret: '77567227221138',
+            nombre_licencies: { hommes: 1, femmes: 1, total: 2 }
+          )
+        end
+      end
+
+      describe 'composition_reseau' do
+        let(:membre) { resource.composition_reseau.first }
+
+        it 'maps the provider fields' do
+          expect(membre).to include(
+            nom: 'ARTS ET CULTURES EN FOLIE',
+            rna: 'W532003071',
+            siret: '81412456600013'
+          )
+        end
+      end
+
+      describe 'representants_legaux' do
+        let(:representants_legaux) { resource.etablissements.first[:representants_legaux] }
+
+        it 'maps the provider fields' do
+          expect(representants_legaux).to contain_exactly(
+            hash_including(nom: 'MARTIN', prenom: 'Jean', fonction: 'Directeur général')
+          )
+        end
+      end
     end
 
     describe 'when payload has only one dac document (non-regression test)' do
diff --git a/siade/spec/interactors/mi/associations/payload_parser_spec.rb b/siade/spec/interactors/mi/associations/payload_parser_spec.rb
index af7b83322c..3e53e227ff 100644
--- a/siade/spec/interactors/mi/associations/payload_parser_spec.rb
+++ b/siade/spec/interactors/mi/associations/payload_parser_spec.rb
@@ -36,13 +36,19 @@
       let(:body) do
         {
           etablissements: [{ id_siret: '111' }, { id_siret: '222' }],
-          agrements: [{ numero: '1' }]
+          agrements: [{ numero: '1' }],
+          affiliations: [{ nom: 'FEDERATION' }],
+          compositions: [{ nom: 'MEMBRE' }],
+          representants_legaux: [{ nom: 'Martin' }]
         }.to_json
       end
 
       it 'wraps each collection with its singular element key' do
         expect(parsed[:asso][:etablissements]).to eq(etablissement: [{ id_siret: '111' }, { id_siret: '222' }])
         expect(parsed[:asso][:agrements]).to eq(agrement: [{ numero: '1' }])
+        expect(parsed[:asso][:affiliations]).to eq(affiliation: [{ nom: 'FEDERATION' }])
+        expect(parsed[:asso][:compositions]).to eq(membre: [{ nom: 'MEMBRE' }])
+        expect(parsed[:asso][:representants_legaux]).to eq(representant_legal: [{ nom: 'Martin' }])
       end
     end