diff --git a/osm_nbi/instance_topics.py b/osm_nbi/instance_topics.py
index 4b2eb44..8d5b573 100644
--- a/osm_nbi/instance_topics.py
+++ b/osm_nbi/instance_topics.py
@@ -1537,12 +1537,15 @@
 
                 try:
                     service = self.db.get_one("nsrs", {"_id": nsr_item["nsrId"]})
-                    indata_ns = {}
-                    indata_ns = service["instantiate_params"]
-                    indata_ns["lcmOperationType"] = operation
-                    indata_ns["nsInstanceId"] = service["_id"]
-                    # Including netslice_id in the ns instantiate Operation
-                    indata_ns["netsliceInstanceId"] = netsliceInstanceId
+                    indata_ns = {
+                        "lcmOperationType": operation,
+                        "nsInstanceId": service["_id"],
+                        # Including netslice_id in the ns instantiate Operation
+                        "netsliceInstanceId": netsliceInstanceId,
+                    }
+                    if operation == "instantiate":
+                        indata_ns.update(service["instantiate_params"])
+
                     # Creating NS_LCM_OP with the flag slice_object=True to not trigger the service instantiation
                     # message via kafka bus
                     nslcmop, _ = self.nsi_NsLcmOpTopic.new(rollback, session, indata_ns, kwargs, headers,
diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 11e9ce4..9ff90db 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -370,6 +370,7 @@
         "autoremove": bool_schema,
         "timeout_ns_terminate": integer1_schema,
         "skip_terminate_primitives": bool_schema,
+        "netsliceInstanceId": id_schema,
     },
     "additionalProperties": False
 }