diff --git a/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.json b/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.json
index 4c7a54a4..b2947417 100644
--- a/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.json
+++ b/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.json
@@ -3,9 +3,9 @@
   "type": "Microsoft.Authorization/policyDefinitions",
   "properties": {
     "displayName": "Deny-resource-without-tag",
-    "description": "need to add description",
+    "description": "Requires that a specified tag exists and is not empty on resources. Resource types that do not support tags can be excluded via the excludedResourceTypes parameter. Does not apply to resource groups (mode Indexed).",
     "metadata": {
-      "version": "1.0.0",
+      "version": "1.1.0",
       "category": "Tags"
     },
     "mode": "Indexed",
@@ -14,9 +14,18 @@
         "type": "String",
         "metadata": {
           "displayName": "Tag name",
-          "description": "Name of the tag to enforce"
+          "description": "Name of the tag to enforce, such as 'Environment' or 'CostCenter'."
         }
       },
+      "excludedResourceTypes": {
+        "type": "Array",
+        "metadata": {
+          "displayName": "Excluded Resource Types",
+          "description": "Resource types to exclude from this policy. Useful for resource types that do not support tags.",
+          "strongType": "ResourceType"
+        },
+        "defaultValue": []
+      },
       "effect": {
         "type": "String",
         "metadata": {
@@ -33,10 +42,22 @@
     },
     "policyRule": {
       "if": {
-        "allof": [
+        "allOf": [
+          {
+            "field": "type",
+            "notIn": "[parameters('excludedResourceTypes')]"
+          },
           {
-            "field": "[concat('tags[', parameters('tagName'), ']')]",
-            "exists": "false"
+            "anyOf": [
+              {
+                "field": "[concat('tags[', parameters('tagName'), ']')]",
+                "exists": "false"
+              },
+              {
+                "field": "[concat('tags[', parameters('tagName'), ']')]",
+                "equals": ""
+              }
+            ]
           }
         ]
       },
diff --git a/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.parameters.json b/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.parameters.json
index 07e9b47f..f32e3056 100644
--- a/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.parameters.json
+++ b/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.parameters.json
@@ -3,9 +3,18 @@
     "type": "String",
     "metadata": {
       "displayName": "Tag name",
-      "description": "Name of the tag to enforce"
+      "description": "Name of the tag to enforce, such as 'Environment' or 'CostCenter'."
     }
   },
+  "excludedResourceTypes": {
+    "type": "Array",
+    "metadata": {
+      "displayName": "Excluded Resource Types",
+      "description": "Resource types to exclude from this policy. Useful for resource types that do not support tags.",
+      "strongType": "ResourceType"
+    },
+    "defaultValue": []
+  },
   "effect": {
     "type": "String",
     "metadata": {
diff --git a/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.rules.json b/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.rules.json
index 2cd08ba9..ee25de53 100644
--- a/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.rules.json
+++ b/policyDefinitions/Tags/deny-resource-without-tag/azurepolicy.rules.json
@@ -1,9 +1,21 @@
 {
   "if": {
-    "allof": [
+    "allOf": [
       {
-        "field": "[concat('tags[', parameters('tagName'), ']')]",
-        "exists": "false"
+        "field": "type",
+        "notIn": "[parameters('excludedResourceTypes')]"
+      },
+      {
+        "anyOf": [
+          {
+            "field": "[concat('tags[', parameters('tagName'), ']')]",
+            "exists": "false"
+          },
+          {
+            "field": "[concat('tags[', parameters('tagName'), ']')]",
+            "equals": ""
+          }
+        ]
       }
     ]
   },