diff --git a/yang-models/_3gpp-nr-nrm-nroperatorcelldu.yang b/yang-models/_3gpp-nr-nrm-nroperatorcelldu.yang
index 7b2c3f6b794f7a8c8b6b623141770e3384da83a2..ac362452022728e0dff4c5dff21e8767a968fe62 100755
--- a/yang-models/_3gpp-nr-nrm-nroperatorcelldu.yang
+++ b/yang-models/_3gpp-nr-nrm-nroperatorcelldu.yang
@@ -30,6 +30,14 @@ module _3gpp-nr-nrm-nroperatorcelldu {
       type int32 { range "0..16383"; }
     }
 
+    leaf administrativeState  {
+      description "Administrative state of the NROperatorCellDU. Indicates the
+        permission to use or prohibition against using the cell, imposed
+        through the OAM services.";
+      type types3gpp:AdministrativeState;
+      default LOCKED;
+    }
+
     list pLMNInfoList {
       description "The PLMNInfoList is a list of PLMNInfo data type. It 
         defines which PLMNs that can be served by the NR cell, and which