diff --git a/gso/services/resource_manager.py b/gso/services/resource_manager.py
index 6962eefee1315bd069843ecdc1d4b942de944561..61e359e300c3c6dbd168973fb2449571d84073fd 100644
--- a/gso/services/resource_manager.py
+++ b/gso/services/resource_manager.py
@@ -31,7 +31,7 @@ _DUMMY_INVENTORY = {
 }
 
 
-def import_new_router(new_router_fqdn: str, oss_params=settings.OSSParams):
+def import_new_router(new_router_fqdn: str, subscription_id: str, oss_params=settings.OSSParams):
     # TODO: this is a dummy implementation
 
     # TODO: specifiy if this should be an error (and if now, what it means)
@@ -39,7 +39,7 @@ def import_new_router(new_router_fqdn: str, oss_params=settings.OSSParams):
     _DUMMY_INVENTORY[new_router_fqdn] = _dummy_router_interfaces()
 
 
-def next_lag(router_fqdn: str, oss_params=settings.OSSParams) -> str:
+def next_lag(router_fqdn: str, subscription_id: str, oss_params=settings.OSSParams) -> str:
     # TODO: this is a dummy implementation
 
     assert router_fqdn in _DUMMY_INVENTORY
@@ -73,7 +73,7 @@ def _find_physical(router_fqdn: str, interface_name: str) -> dict:
     raise AssertionError(f"interface {interface_name} not found on {router_fqdn}")
 
 
-def reserve_physical_interface(router_fqdn: str, interface_name: str, oss_params=settings.OSSParams):
+def reserve_physical_interface(router_fqdn: str, interface_name: str, subscription_id: str, oss_params=settings.OSSParams):
     # TODO: this is a dummy implementation
 
     ifc = _find_physical(router_fqdn, interface_name)
diff --git a/test/test_resource_manager.py b/test/test_resource_manager.py
index 5258f4b80e7f12f85d0d194a7c2df3cbf40e2cc5..d81b5cacd8f0fac341899568840034defbf3dcb2 100644
--- a/test/test_resource_manager.py
+++ b/test/test_resource_manager.py
@@ -14,34 +14,46 @@ def _random_string(n=None, letters=string.ascii_letters + string.digits + string
 def test_new_router():
     router_name = _random_string(10)
     assert router_name not in resource_manager._DUMMY_INVENTORY
-    resource_manager.import_new_router(new_router_fqdn=router_name)
+    resource_manager.import_new_router(
+        new_router_fqdn=router_name,
+        subscription_id=_random_string(10))
     assert router_name in resource_manager._DUMMY_INVENTORY
 
 
 def test_new_lag():
     router_name = list(resource_manager._DUMMY_INVENTORY.keys())[0]
-    new_lags = {resource_manager.next_lag(router_fqdn=router_name) for _ in range(10)}
+    new_lags = {
+        resource_manager.next_lag(
+            router_fqdn=router_name, subscription_id=_random_string(10))
+        for _ in range(10)}
     assert len(new_lags) == 10
-    assert new_lags <= set(resource_manager._DUMMY_INVENTORY[router_name]["lags"])
+    assert new_lags <= set(
+        resource_manager._DUMMY_INVENTORY[router_name]["lags"])
 
 
 def test_physical_allocation_lifecycle_happy():
     router_name = list(resource_manager._DUMMY_INVENTORY.keys())[0]
 
     def _interfaces():
-        return resource_manager.available_physical_interfaces(router_fqdn=router_name)
+        return resource_manager.available_physical_interfaces(
+            router_fqdn=router_name)
 
     initial_available = _interfaces()
 
     interface_name = initial_available[0]
 
-    resource_manager.reserve_physical_interface(router_fqdn=router_name, interface_name=interface_name)
+    resource_manager.reserve_physical_interface(
+        router_fqdn=router_name,
+        subscription_id=_random_string(10),
+        interface_name=interface_name)
 
     current_available = _interfaces()
     assert interface_name not in current_available
 
-    resource_manager.allocate_physical_interface(router_fqdn=router_name, interface_name=interface_name)
-    resource_manager.free_physical_interface(router_fqdn=router_name, interface_name=interface_name)
+    resource_manager.allocate_physical_interface(
+        router_fqdn=router_name, interface_name=interface_name)
+    resource_manager.free_physical_interface(
+        router_fqdn=router_name, interface_name=interface_name)
 
     current_available = _interfaces()
     assert interface_name in current_available