diff --git a/.chronus/changes/specs_arm_ResourceCheckExistence_operations-2024-11-3-11-13-22.md b/.chronus/changes/specs_arm_ResourceCheckExistence_operations-2024-11-3-11-13-22.md
new file mode 100644
index 0000000000..1bfe0379f1
--- /dev/null
+++ b/.chronus/changes/specs_arm_ResourceCheckExistence_operations-2024-11-3-11-13-22.md
@@ -0,0 +1,7 @@
+---
+changeKind: feature
+packages:
+  - "@azure-tools/azure-http-specs"
+---
+
+Added ARMResourceCheckExistence case for ARM tests.
\ No newline at end of file
diff --git a/packages/azure-http-specs/spec-summary.md b/packages/azure-http-specs/spec-summary.md
index 0a1b2441be..e4446efad2 100644
--- a/packages/azure-http-specs/spec-summary.md
+++ b/packages/azure-http-specs/spec-summary.md
@@ -1478,17 +1478,27 @@ Expected response body:
 
 - Endpoint: `post https://management.azure.com`
 
-  Resource sync action.
-  Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top/actionSync
-  Expected query parameter: api-version=2023-12-01-preview
-  Expected request body:
+Resource sync action.
+Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top/actionSync
+Expected query parameter: api-version=2023-12-01-preview
 
-  ```json
-  {
-    "message": "Resource action at top level.",
-    "urgent": true
-  }
-  ```
+Expected request body:
+
+```json
+{
+  "message": "Resource action at top level.",
+  "urgent": true
+}
+```
+
+### Azure_ResourceManager_Resources_TopLevel_checkExistence
+
+- Endpoint: `head https://management.azure.com`
+
+Resource HEAD operation.
+Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top
+Expected query parameter: api-version=2023-12-01-preview
+Expected response status code: 204
 
 ### Azure_ResourceManager_Resources_TopLevel_createOrReplace
 
@@ -1497,6 +1507,7 @@ Expected response body:
 Resource PUT operation.
 Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top
 Expected query parameter: api-version=2023-12-01-preview
+
 Expected request body:
 
 ```json
@@ -1645,6 +1656,7 @@ Expected response body:
 Resource PATCH operation.
 Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top
 Expected query parameter: api-version=2023-12-01-preview
+
 Expected request body:
 
 ```json
diff --git a/packages/azure-http-specs/specs/azure/resource-manager/resources/mockapi.ts b/packages/azure-http-specs/specs/azure/resource-manager/resources/mockapi.ts
index 78e5dd3f64..7568a6b1ce 100644
--- a/packages/azure-http-specs/specs/azure/resource-manager/resources/mockapi.ts
+++ b/packages/azure-http-specs/specs/azure/resource-manager/resources/mockapi.ts
@@ -415,3 +415,20 @@ Scenarios.Azure_ResourceManager_Resources_Nested_listByTopLevelTrackedResource =
   },
   kind: "MockApiDefinition",
 });
+
+Scenarios.Azure_ResourceManager_Resources_TopLevel_checkExistence = passOnSuccess({
+  uri: "/subscriptions/:subscriptionId/resourceGroups/:resourceGroup/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/:topLevelResourceName",
+  method: "head",
+  request: {
+    params: {
+      subscriptionId: SUBSCRIPTION_ID_EXPECTED,
+      resourceGroup: RESOURCE_GROUP_EXPECTED,
+      topLevelResourceName: "top",
+      "api-version": "2023-12-01-preview",
+    },
+  },
+  response: {
+    status: 204,
+  },
+  kind: "MockApiDefinition",
+});
diff --git a/packages/azure-http-specs/specs/azure/resource-manager/resources/toplevel.tsp b/packages/azure-http-specs/specs/azure/resource-manager/resources/toplevel.tsp
index 2549bd3649..0d59a16c37 100644
--- a/packages/azure-http-specs/specs/azure/resource-manager/resources/toplevel.tsp
+++ b/packages/azure-http-specs/specs/azure/resource-manager/resources/toplevel.tsp
@@ -79,6 +79,7 @@ interface TopLevel {
     Resource PUT operation.
     Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top
     Expected query parameter: api-version=2023-12-01-preview
+    
     Expected request body:
     ```json
     {
@@ -88,6 +89,7 @@ interface TopLevel {
       }
     }
     ```
+    
     Expected response body:
     ```json
     {
@@ -117,6 +119,7 @@ interface TopLevel {
     Resource PATCH operation.
     Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top
     Expected query parameter: api-version=2023-12-01-preview
+    
     Expected request body:
     ```json
     {
@@ -125,6 +128,7 @@ interface TopLevel {
       }
     }
     ```
+    
     Expected response body:
     ```json
     {
@@ -225,16 +229,26 @@ interface TopLevel {
 
   @scenario
   @scenarioDoc("""
-      Resource sync action.
-      Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top/actionSync
-      Expected query parameter: api-version=2023-12-01-preview
-      Expected request body:
-      ```json
-      {
-        "message": "Resource action at top level.",
-        "urgent": true
-      }
-      ```
+    Resource sync action.
+    Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top/actionSync
+    Expected query parameter: api-version=2023-12-01-preview
+    
+    Expected request body:
+    ```json
+    {
+      "message": "Resource action at top level.",
+      "urgent": true
+    }
+    ```
     """)
   actionSync is ArmResourceActionNoContentSync<TopLevelTrackedResource, NotificationDetails>;
+
+  @scenario
+  @scenarioDoc("""
+    Resource HEAD operation.
+    Expected path: /subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Azure.ResourceManager.Resources/topLevelTrackedResources/top
+    Expected query parameter: api-version=2023-12-01-preview
+    Expected response status code: 204
+    """)
+  checkExistence is ArmResourceCheckExistence<TopLevelTrackedResource>;
 }