diff --git a/yang-models/_3gpp-ns-nrm-networkslicesubnet.yang b/yang-models/_3gpp-ns-nrm-networkslicesubnet.yang
index 8b31dd8ed76d9920ef013cf9c91f4d750e260144..da76b222977d1e1df192841233002445dcd3e08a 100755
--- a/yang-models/_3gpp-ns-nrm-networkslicesubnet.yang
+++ b/yang-models/_3gpp-ns-nrm-networkslicesubnet.yang
@@ -7,6 +7,7 @@ module _3gpp-ns-nrm-networkslicesubnet {
   import _3gpp-common-yang-types { prefix types3gpp; }
   import _3gpp-common-subnetwork { prefix subnet3gpp; }
   import _3gpp-common-top { prefix top3gpp; }
+  import _3gpp-ns-nrm-common { prefix ns3cmn3gpp; }
 
   include _3gpp-ns-nrm-sliceprofile;
   
@@ -22,7 +23,7 @@ module _3gpp-ns-nrm-networkslicesubnet {
     5G Network Resource Model (NRM);
     Information model definitions for network slice NRM (chapter 6)
     ";
-
+  revision 2025-08-07 { reference CR-1577 ; }
   revision 2025-01-25 { reference CR-1442 ; } 
   revision 2023-09-18 { reference CR-1043 ; } 
   revision 2022-07-26 { reference CR-0770 ; }
@@ -215,6 +216,80 @@ module _3gpp-ns-nrm-networkslicesubnet {
     }
   }
   
+  grouping NetworkSliceSubnetProviderCapabilitiesGrp {
+    description "Represents the NetworkSliceSubnetProviderCapabilities IOC.";
+    
+    leaf dLLatency {
+      description "This attribute specifies the achievable packet
+        trasmission latency in downlink (millisecond) through the 
+        network slice subnet.";
+      mandatory true;
+      config false;
+      type uint16;
+      units milliseconds;
+    }
+    
+    leaf uLLatency {
+      description "This attribute specifies the achievable packet
+        trasmission latency in uplink (millisecond) through the 
+        network slice subnet.";
+      mandatory true;
+      config false;
+      type uint16;
+      units milliseconds;
+    }
+    
+    list uLThptPerSliceSubnet {
+      description "This attribute defines achievable data rate of the
+        network slice subnet in uplink that is available 
+        ubiquitously across the coverage area of the slice";
+      key idx;
+      min-elements 1;
+      max-elements 1;
+      leaf idx {
+        description "Synthetic index for the element.";
+        type uint32;
+      }
+      uses ns3cmn3gpp:XLThptGrp;
+    }
+
+
+    list dLThptPerSliceSubnet {
+      description "This attribute defines achievable data rate of the
+        network slice subnet in downlink that is available 
+        ubiquitously across the coverage area of the slice";
+      key idx;
+      min-elements 1;
+      max-elements 1;
+      leaf idx {
+        description "Synthetic index for the element.";
+        type uint32;
+      }
+      uses ns3cmn3gpp:XLThptGrp;
+    }
+    
+    list coverageAreaTAList {
+      description "An attribute specifies a list of Tracking Areas that a 
+        network slice subnet can serve. TAI uniquely identifies a Tracking
+        Aerea. TAI is defined in clause 9.3.3.11 of TS 38.413."; 
+      key idx; //no obvious leaf to use as a key
+      leaf idx { type uint32; }
+      //optional support
+      min-elements 1;
+      uses types3gpp:TaiGrp;
+    }
+
+    leaf nationwideCoverageSupported {
+      description "This attribute specifies whether the network slice
+        subnet MnS producer supports nationwide coverage. ";
+      mandatory true;
+      config false;
+      type boolean;
+    }
+
+
+  }
+
   augment /subnet3gpp:SubNetwork {
     list NetworkSliceSubnet {
       description "Represents the properties of a network slice subnet 
@@ -244,8 +319,22 @@ module _3gpp-ns-nrm-networkslicesubnet {
       container attributes {
         uses NetworkSliceSubnetGrp;
       }
-  
-      uses top3gpp:Top_Grp;
-    }    
+      uses top3gpp:Top_Grp; 
+    }
+    
+    list NetworkSliceSubnetProviderCapabilities {
+      description "Stores the capabilities/features of the network slice subnet
+        provider in terms of network slice subnets it can manage/provide. 
+        The attributes of this IOC can be queried, using getMOIAttributes operation
+        , to know the capabilities of the provider. Based on the capabilities 
+        decision can be made e.g derivation of subnet requirements by the 
+        consumer.";
+      key id;
+
+      container attributes {
+        uses NetworkSliceSubnetProviderCapabilitiesGrp;
+      }
+      uses top3gpp:Top_Grp; 
+    }
   }
 }
\ No newline at end of file
diff --git a/yang-models/_3gpp-ns-nrm-serviceprofile.yang b/yang-models/_3gpp-ns-nrm-serviceprofile.yang
index 190bc24e0f2280e446f4b45e5f44f33ed42220ee..21632f361fc33f7d6410b70b2f1d181c8565e044 100755
--- a/yang-models/_3gpp-ns-nrm-serviceprofile.yang
+++ b/yang-models/_3gpp-ns-nrm-serviceprofile.yang
@@ -18,6 +18,7 @@ submodule _3gpp-ns-nrm-serviceprofile {
     Information model definitions for network slice NRM (chapter 6)
     ";
 
+  revision 2025-08-07 { reference CR-1577;}
   revision 2023-09-18 { reference CR-1043 ; } 
   revision 2020-06-02 {
     reference "CR-0485, CR-0508";
@@ -94,6 +95,13 @@ submodule _3gpp-ns-nrm-serviceprofile {
        type types3gpp:Tac;
     }
 
+    leaf nationwideCoverageRequested {
+       description "This attribute specifies whether nationwide coverage
+        is required for the requested network slice.
+        If this attribute is TRUE and the attribute coverageArea is
+        present, then the coverageArea attribute shall be ignored. ";
+       type boolean;
+    }
     leaf latency {
       description "The packet transmission latency (milliseconds) through 
         the RAN, CN, and TN part of 5G network, used to evaluate utilization 
diff --git a/yang-models/_3gpp-ns-nrm-sliceprofile.yang b/yang-models/_3gpp-ns-nrm-sliceprofile.yang
index 6ba9a70cbfdefd4ca854bc4070780611aeb1d636..b92d5a4e82ee243e4218c1d6d1da352a7ff9f497 100755
--- a/yang-models/_3gpp-ns-nrm-sliceprofile.yang
+++ b/yang-models/_3gpp-ns-nrm-sliceprofile.yang
@@ -20,7 +20,7 @@ submodule _3gpp-ns-nrm-sliceprofile {
     5G Network Resource Model (NRM);
     Information model definitions for network slice NRM (chapter 6)
     ";
-
+  revision 2025-08-07 { reference CR-1577; }
   revision 2025-01-25 { reference CR-1442; }
   revision 2023-11-04 { reference CR-1129; }
   revision 2023-09-18 { reference CR-1043 ; } 
@@ -314,6 +314,14 @@ submodule _3gpp-ns-nrm-sliceprofile {
       min-elements 1;
       uses types3gpp:TaiGrp;
     }
+
+    leaf nationwideCoverageRequested {
+      description "This attribute specifies whether nationwide coverage
+        is required for the requested network slice subnet.
+        If this attribute is TRUE and the attribute coverageAreaTAList is
+        present, then the coverageAreaTAList attribute shall be ignored. ";
+      type boolean;
+    }
     leaf uEMobilityLevel {
       description "The mobility level of UE accessing the network slice 
         instance.";
@@ -575,6 +583,15 @@ submodule _3gpp-ns-nrm-sliceprofile {
       min-elements 1;
       uses types3gpp:TaiGrp;
     }
+
+    leaf nationwideCoverageRequested {
+      description "This attribute specifies whether nationwide coverage
+        is required for the requested network slice subnet.
+        If this attribute is TRUE and the attribute coverageAreaTAList is
+        present, then the coverageAreaTAList attribute shall be ignored. ";
+      type boolean;
+    }
+
     leaf resourceSharingLevel {
       description "Specifies whether the resources to be allocated to the 
         network slice subnet instance may be shared with another network 
@@ -802,6 +819,15 @@ submodule _3gpp-ns-nrm-sliceprofile {
       min-elements 1;
       uses types3gpp:TaiGrp;
     }
+
+    leaf nationwideCoverageRequested {
+      description "This attribute specifies whether nationwide coverage
+        is required for the requested network slice subnet.
+        If this attribute is TRUE and the attribute coverageAreaTAList is
+        present, then the coverageAreaTAList attribute shall be ignored. ";
+      type boolean;
+    }
+
     leaf uEMobilityLevel {
       description "The mobility level of UE accessing the network slice 
         instance.";