diff --git a/converter/converter/cisu/resources_info/resources_info_cisu_converter.py b/converter/converter/cisu/resources_info/resources_info_cisu_converter.py
index 2beefad90..c7229c12a 100644
--- a/converter/converter/cisu/resources_info/resources_info_cisu_converter.py
+++ b/converter/converter/cisu/resources_info/resources_info_cisu_converter.py
@@ -201,7 +201,9 @@ def from_cisu_to_rs(cls, edxl_json: Dict[str, Any]) -> List[Dict[str, Any]]:
         return messages
 
     @classmethod
-    def from_rs_to_cisu(cls, edxl_json: Dict[str, Any]) -> Dict[str, Any]:
+    def from_rs_to_cisu(
+        cls, edxl_json: Dict[str, Any]
+    ) -> Dict[str, Any] | list[Dict[str, Any]]:
         logger.info("Converting from RS to CISU format for Resources Info message.")
         logger.debug(f"Message content: {edxl_json}")
         output_json = cls.copy_rs_input_content(edxl_json)
@@ -214,10 +216,10 @@ def from_rs_to_cisu(cls, edxl_json: Dict[str, Any]) -> Dict[str, Any]:
         converted_resources = cls.convert_resources_to_cisu(resources)
 
         if len(converted_resources) < 1:
-            raise ValueError(
-                "Could not map resources to CISU. "
-                "At least one resource must have a CISU compatible vehicleType. "
+            logger.info(
+                "No CISU-compatible resources remain after filtering — returning empty list."
             )
+            return []
 
         set_value(
             output_use_case_json,
diff --git a/converter/tests/cisu/test_resources_info_converter.py b/converter/tests/cisu/test_resources_info_converter.py
index c06fc080f..64226128d 100644
--- a/converter/tests/cisu/test_resources_info_converter.py
+++ b/converter/tests/cisu/test_resources_info_converter.py
@@ -32,19 +32,14 @@
 
 # Dictionnaire des cas d'erreur : file_name -> message attendu
 ERROR_CASES = {
-    **{
-        name: "No states found in resource, mandatory for CISU conversion."
-        for name in usecase_files_with_empty_state
-    },
-    **{
-        name: "At least one resource must have a CISU compatible vehicleType."
-        for name in usecase_files_with_unsupported_vehicle_type
-    },
+    name: "No states found in resource, mandatory for CISU conversion."
+    for name in usecase_files_with_empty_state
 }
 
 TEST_CASES = [
     (name, ValueError, ERROR_CASES[name]) if name in ERROR_CASES else (name, None, None)
     for name in all_file_names
+    if name not in usecase_files_with_unsupported_vehicle_type
 ]
 
 
@@ -85,6 +80,21 @@ def test_rs_to_cisu(file_name, expected_exception, expected_message):
             ResourcesInfoCISUConverter.from_rs_to_cisu(edxl_json)
 
 
+@pytest.mark.parametrize(
+    "file_name",
+    usecase_files_with_unsupported_vehicle_type,
+)
+def test_rs_to_cisu_returns_empty_list_when_no_cisu_compatible_resource(file_name):
+    """Quand toutes les ressources ont un vehicleType non supporté, from_rs_to_cisu
+    doit retourner [] au lieu de lever une erreur."""
+    usecase_file = next(f for f in all_usecase_files if f["name"] == file_name)
+    edxl_json = TestHelper.create_edxl_json_from_sample(
+        TestConstants.EDXL_HEALTH_TO_FIRE_ENVELOPE_PATH, usecase_file["path"]
+    )
+    result = ResourcesInfoCISUConverter.from_rs_to_cisu(edxl_json)
+    assert result == []
+
+
 def test_rs_to_cisu_should_delete_patient_id():
     rs_raw_message = TestHelper.create_edxl_json_from_sample(
         TestConstants.EDXL_HEALTH_TO_FIRE_ENVELOPE_PATH,