diff --git a/pipeline/dbt/macros/domain/checks/check_service.sql b/pipeline/dbt/macros/domain/checks/check_service.sql
index 2288f7fc8..db2e3553e 100644
--- a/pipeline/dbt/macros/domain/checks/check_service.sql
+++ b/pipeline/dbt/macros/domain/checks/check_service.sql
@@ -52,16 +52,7 @@ BEGIN
             ("modes_accueil", "modes_accueil IS NULL OR modes_accueil <@ ARRAY(SELECT m.value FROM " ~ ref('modes_accueil') ~ "AS m)"),
             ("modes_orientation_accompagnateur", "modes_orientation_accompagnateur IS NULL OR modes_orientation_accompagnateur <@ ARRAY(SELECT m.value FROM " ~ ref('modes_orientation_accompagnateur') ~ "AS m)"),
             ("modes_orientation_beneficiaire", "modes_orientation_beneficiaire IS NULL OR modes_orientation_beneficiaire <@ ARRAY(SELECT m.value FROM " ~ ref('modes_orientation_beneficiaire') ~ "AS m)"),
-            (
-                "zone_diffusion_code",
-                "zone_diffusion_code IS NULL
-                OR zone_diffusion_type = 'pays'
-                OR zone_diffusion_type = 'region' AND zone_diffusion_code IN (SELECT code FROM " ~ ref('stg_decoupage_administratif__regions') ~ ")
-                OR zone_diffusion_type = 'departement' AND zone_diffusion_code IN (SELECT code FROM " ~ ref('stg_decoupage_administratif__departements') ~ ")
-                OR zone_diffusion_type = 'epci' AND zone_diffusion_code IN (SELECT code FROM " ~ ref('stg_decoupage_administratif__epcis') ~ ")
-                OR zone_diffusion_type = 'commune' AND zone_diffusion_code IN (SELECT code FROM " ~ ref('stg_decoupage_administratif__communes') ~ ")
-                "
-            ),
+            ("zone_diffusion_code", "zone_diffusion_code IS NULL OR zone_diffusion_code ~ '^(\d{9}|\w{5}|\w{2,3}|\d{2})$'"),
             ("zone_diffusion_type", "zone_diffusion_type IS NULL OR zone_diffusion_type IN (SELECT t.value FROM " ~ ref('zones_de_diffusion_types') ~ "AS t)"),
         ]
     %}
diff --git a/pipeline/dbt/models/intermediate/_models.yml b/pipeline/dbt/models/intermediate/_models.yml
index 6b237a8a0..58723ce53 100644
--- a/pipeline/dbt/models/intermediate/_models.yml
+++ b/pipeline/dbt/models/intermediate/_models.yml
@@ -53,18 +53,28 @@ models:
               to: ref('stg_decoupage_administratif__regions')
               field: code
               where: "zone_diffusion_type = 'region'"
+            # TODO(vmttn): prevent false codes from being propagated downstream
+            # and set back severity to error
+              config:
+                severity: warn
           - relationships:
               to: ref('stg_decoupage_administratif__departements')
               field: code
               where: "zone_diffusion_type = 'departement'"
+              config:
+                severity: warn
           - relationships:
               to: ref('stg_decoupage_administratif__epcis')
               field: code
               where: "zone_diffusion_type = 'epci'"
+              config:
+                severity: warn
           - relationships:
               to: ref('stg_decoupage_administratif__communes')
               field: code
               where: "zone_diffusion_type = 'commune'"
+              config:
+                severity: warn
 
   - name: int__union_structures__enhanced