diff --git a/src/yang/etsi-nfv-vnf.yang b/src/yang/etsi-nfv-vnf.yang
index 37214e2a93a35ffc8a32d6e31c17821e9302af31..2258f23e48a159119d3b939b9aee1395e1418ece 100755
--- a/src/yang/etsi-nfv-vnf.yang
+++ b/src/yang/etsi-nfv-vnf.yang
@@ -2356,6 +2356,18 @@ submodule etsi-nfv-vnf {
               "GS NFV IFA011: Section 7.1.5.3
                InstantiateVnfOpConfig information element";
           }
+
+          leaf target-scale-levels-supported {
+            type boolean;
+            default false;
+            description
+              "Signals whether target scale levels are supported
+               by this VNF during instantiation.
+               Default is FALSE, i.e. 'not supported'.";
+            reference
+              "GS NFV IFA011: Section 7.1.5.3
+               InstantiateVnfOpConfig information element";
+          }
           description
             "Configuration parameters for the InstantiateVnf
              operation.";