diff --git a/app/lib/api_entreprise/adapter.rb b/app/lib/api_entreprise/adapter.rb
index bf0645b0f..422509d88 100644
--- a/app/lib/api_entreprise/adapter.rb
+++ b/app/lib/api_entreprise/adapter.rb
@@ -1,4 +1,6 @@
 class ApiEntreprise::Adapter
+  UNAVAILABLE = 'Donnée indisponible'
+
   def initialize(siret, procedure_id)
     @siret = siret
     @procedure_id = procedure_id
@@ -17,4 +19,8 @@ class ApiEntreprise::Adapter
       {}
     end
   end
+
+  def valid_params?(params)
+    !params.has_value?(UNAVAILABLE)
+  end
 end
diff --git a/app/lib/api_entreprise/api.rb b/app/lib/api_entreprise/api.rb
index a722c29d7..0abc968da 100644
--- a/app/lib/api_entreprise/api.rb
+++ b/app/lib/api_entreprise/api.rb
@@ -34,10 +34,7 @@ class ApiEntreprise::API
       params: params,
       timeout: TIMEOUT)
 
-    # Responses with a 206 codes are sometimes not useable,
-    # as the RNA calls often return a 206 with an error message,
-    # not a partial response
-    if response.success? && response.code != 206
+    if response.success?
       JSON.parse(response.body, symbolize_names: true)
     else
       raise RestClient::ResourceNotFound
diff --git a/app/lib/api_entreprise/entreprise_adapter.rb b/app/lib/api_entreprise/entreprise_adapter.rb
index b32305c47..0798a0d41 100644
--- a/app/lib/api_entreprise/entreprise_adapter.rb
+++ b/app/lib/api_entreprise/entreprise_adapter.rb
@@ -8,8 +8,13 @@ class ApiEntreprise::EntrepriseAdapter < ApiEntreprise::Adapter
 
   def process_params
     params = data_source[:entreprise].slice(*attr_to_fetch)
-    params[:date_creation] = Time.at(params[:date_creation]).to_datetime
-    params.transform_keys { |k| :"entreprise_#{k}" }
+
+    if valid_params?(params)
+      params[:date_creation] = Time.at(params[:date_creation]).to_datetime
+      params.transform_keys { |k| :"entreprise_#{k}" }
+    else
+      {}
+    end
   end
 
   def attr_to_fetch
diff --git a/app/lib/api_entreprise/etablissement_adapter.rb b/app/lib/api_entreprise/etablissement_adapter.rb
index a1eacd7c6..58f63c689 100644
--- a/app/lib/api_entreprise/etablissement_adapter.rb
+++ b/app/lib/api_entreprise/etablissement_adapter.rb
@@ -7,10 +7,15 @@ class ApiEntreprise::EtablissementAdapter < ApiEntreprise::Adapter
 
   def process_params
     params = data_source[:etablissement].slice(*attr_to_fetch)
-    adresse_line = params[:adresse].slice(*address_lines_to_fetch).values.compact.join("\r\n")
-    params.merge!(params[:adresse].slice(*address_attr_to_fetch))
-    params[:adresse] = adresse_line
-    params
+
+    if valid_params?(params)
+      adresse_line = params[:adresse].slice(*address_lines_to_fetch).values.compact.join("\r\n")
+      params.merge!(params[:adresse].slice(*address_attr_to_fetch))
+      params[:adresse] = adresse_line
+      params
+    else
+      {}
+    end
   end
 
   def attr_to_fetch
diff --git a/app/lib/api_entreprise/exercices_adapter.rb b/app/lib/api_entreprise/exercices_adapter.rb
index 4807e205f..e19d65dac 100644
--- a/app/lib/api_entreprise/exercices_adapter.rb
+++ b/app/lib/api_entreprise/exercices_adapter.rb
@@ -10,7 +10,11 @@ class ApiEntreprise::ExercicesAdapter < ApiEntreprise::Adapter
       exercice.slice(*attr_to_fetch)
     end
 
-    { exercices_attributes: exercices_array }
+    if exercices_array == exercices_array.select { |params| valid_params?(params) }
+      { exercices_attributes: exercices_array }
+    else
+      {}
+    end
   end
 
   def attr_to_fetch
diff --git a/app/lib/api_entreprise/rna_adapter.rb b/app/lib/api_entreprise/rna_adapter.rb
index 9d0612788..227549518 100644
--- a/app/lib/api_entreprise/rna_adapter.rb
+++ b/app/lib/api_entreprise/rna_adapter.rb
@@ -6,17 +6,26 @@ class ApiEntreprise::RNAAdapter < ApiEntreprise::Adapter
   end
 
   def process_params
-    if data_source[:association][:id].present?
-      params = data_source[:association].slice(*attr_to_fetch)
-      params[:rna] = data_source[:association][:id]
-      params.transform_keys { |k| :"association_#{k}" }
-    else
+    # Responses with a 206 codes are sometimes not useable,
+    # as the RNA calls often return a 206 with an error message,
+    # not a partial response
+    if !data_source.key?(:association)
       {}
+    else
+      params = data_source[:association].slice(*attr_to_fetch)
+
+      if params[:id].present? && valid_params?(params)
+        params[:rna] = params[:id]
+        params.except(:id).transform_keys { |k| :"association_#{k}" }
+      else
+        {}
+      end
     end
   end
 
   def attr_to_fetch
     [
+      :id,
       :titre,
       :objet,
       :date_creation,