diff --git a/src/Resources/ResourceManager/Implementation/ResourceGroupDeployments/GetAzureResourceGroupDeploymentOperationCmdlet.cs b/src/Resources/ResourceManager/Implementation/ResourceGroupDeployments/GetAzureResourceGroupDeploymentOperationCmdlet.cs
index 03e1c4fbace6..85fad488e22b 100644
--- a/src/Resources/ResourceManager/Implementation/ResourceGroupDeployments/GetAzureResourceGroupDeploymentOperationCmdlet.cs
+++ b/src/Resources/ResourceManager/Implementation/ResourceGroupDeployments/GetAzureResourceGroupDeploymentOperationCmdlet.cs
@@ -43,6 +43,7 @@ public class GetAzureResourceGroupDeploymentOperationCmdlet : ResourceManagerCmd
         /// <summary>
         /// Gets or sets the subscription id parameter.
         /// </summary>
+        [CmdletParameterBreakingChange("SubscriptionId", ChangeDescription = "Parameter is being deprecated without being replaced")]
         [Parameter(Mandatory = false, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, HelpMessage = "The subscription to use.")]
         [ValidateNotNullOrEmpty]
         public Guid? SubscriptionId { get; set; }
diff --git a/src/Resources/Resources/ChangeLog.md b/src/Resources/Resources/ChangeLog.md
index 5d671d32a27f..5e2dd1e3e579 100644
--- a/src/Resources/Resources/ChangeLog.md
+++ b/src/Resources/Resources/ChangeLog.md
@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Added breaking change attribute to `SubscriptionId` parameter of `Get-AzResourceGroupDeploymentOperation`.
 * Updated `Get-AzPolicyAlias` response to include information indicating whether the alias is modifiable by Azure Policy.
 * Created new cmdlet `Set-AzRoleAssignment`
 * Added `Get-AzDeploymentManagementGroupWhatIfResult` for getting ARM template What-If results at management Group scope