diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/examples/PublicIpPrefixCreateCustomizedValues.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/examples/PublicIpPrefixCreateCustomizedValues.json
index bd660e273e48..db4cf3b92ec7 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/examples/PublicIpPrefixCreateCustomizedValues.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/examples/PublicIpPrefixCreateCustomizedValues.json
@@ -14,7 +14,8 @@
         "prefixLength": 30
       },
       "sku": {
-        "name": "Standard"
+        "name": "Standard",
+        "tier": "Regional"
       }
     }
   },
@@ -37,7 +38,8 @@
           "ipTags": []
         },
         "sku": {
-          "name": "Standard"
+          "name": "Standard",
+          "tier": "Regional"
         },
         "type": "Microsoft.Network/publicIPPrefixes"
       }
@@ -60,7 +62,8 @@
           "ipTags": []
         },
         "sku": {
-          "name": "Standard"
+          "name": "Standard",
+          "tier": "Regional"
         },
         "type": "Microsoft.Network/publicIPPrefixes"
       }
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/publicIpPrefix.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/publicIpPrefix.json
index 377b38f3eb5b..f59ec8b6e565 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/publicIpPrefix.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-07-01/publicIpPrefix.json
@@ -372,6 +372,18 @@
             "name": "PublicIPPrefixSkuName",
             "modelAsString": true
           }
+        },
+        "tier": {
+          "type": "string",
+          "description": "Tier of a public IP prefix SKU.",
+          "enum": [
+            "Regional",
+            "Global"
+          ],
+          "x-ms-enum": {
+            "name": "PublicIPPrefixSkuTier",
+            "modelAsString": true
+          }
         }
       },
       "description": "SKU of a public IP prefix."