diff --git a/src/main/java/net/accelbyte/gdpr/sdk/GDPRHandler.java b/src/main/java/net/accelbyte/gdpr/sdk/GDPRHandler.java
index 23787c4..ef8343a 100644
--- a/src/main/java/net/accelbyte/gdpr/sdk/GDPRHandler.java
+++ b/src/main/java/net/accelbyte/gdpr/sdk/GDPRHandler.java
@@ -5,18 +5,21 @@
 
 package net.accelbyte.gdpr.sdk;
 
+import net.accelbyte.gdpr.registered.v1.AccountInfo;
 import net.accelbyte.gdpr.sdk.object.DataGenerationResult;
 
+import java.util.List;
+
 public interface GDPRHandler {
 
     /**
      * Process data generation for the requested user.
      *
      * The concrete implementation should put the data result into "data" property inside DataGenerationResult object.
-     * The "data" property (inside DataGenerationResult object) was in form of Map<ModuleId, byte[]>,
+     * The "data" property (inside DataGenerationResult object) was in form of Map&lt;ModuleId, byte[]&gt;,
      * this allows the concrete implementation to categorized multiple data based on the modules they have.
      * Example:
-     *  Map<ModuleId, byte[]> = {
+     *  Map&lt;ModuleId, byte[]&gt; = {
      *    entitlement: entitlementData,
      *    wallet: walletData,
      *    transaction: transactionData
@@ -50,4 +53,13 @@ public interface GDPRHandler {
      * @param isPublisherNamespace  indicate whether the "namespace" is a publisher namespace or game namespace
      */
     void ProcessDataRestriction(String namespace, String userId, boolean restrict, boolean isPublisherNamespace);
+
+    /**
+     * Handle 3rd party platform account closure.
+     *
+     * @param platform        3rd party platform
+     * @param platformUserId  3rd party platform account id
+     * @param accounts        linked AGS accounts in all namespaces(including publisher namespace)
+     */
+    void ProcessPlatformAccountClosure(String platform, String platformUserId, List<AccountInfo> accounts);
 }
diff --git a/src/main/java/net/accelbyte/gdpr/sdk/GDPRService.java b/src/main/java/net/accelbyte/gdpr/sdk/GDPRService.java
index 4b55b2c..ecd0508 100644
--- a/src/main/java/net/accelbyte/gdpr/sdk/GDPRService.java
+++ b/src/main/java/net/accelbyte/gdpr/sdk/GDPRService.java
@@ -122,4 +122,33 @@ public void dataRestriction(DataRestrictionRequest request, StreamObserver<DataR
         responseObserver.onCompleted();
     }
 
+    @Override
+    public void platformAccountClosure(net.accelbyte.gdpr.registered.v1.PlatformAccountClosureRequest request,
+                                       io.grpc.stub.StreamObserver<net.accelbyte.gdpr.registered.v1.PlatformAccountClosureResponse> responseObserver) {
+        PlatformAccountClosureResponse.Builder responseBuilder = PlatformAccountClosureResponse.newBuilder();
+        if (Strings.isNullOrEmpty(request.getPlatform()) || Strings.isNullOrEmpty(request.getPlatformUserId()) || request.getAccountsList() == null || request.getAccountsList().size() == 0) {
+            log.error("[GDPRService.platformAccountClosure] empty required payload: platform or platformUserId or linked accounts.");
+            responseBuilder.setSuccess(false).setMessage("required payload is empty");
+            responseObserver.onNext(responseBuilder.build());
+            responseObserver.onCompleted();
+            return;
+        }
+
+        if (handler == null) {
+            responseBuilder.setSuccess(true);
+        } else {
+            log.info("[GDPRService.platformAccountClosure] start executing for platform [{}]",
+                    request.getPlatform());
+            try {
+                handler.ProcessPlatformAccountClosure(request.getPlatform(), request.getPlatformUserId(), request.getAccountsList());
+                responseBuilder.setSuccess(true);
+            }catch (Exception ex) {
+                log.error("[GDPRService.platformAccountClosure] error: [{}]", ex.getMessage());
+                responseBuilder.setSuccess(false).setMessage(ex.getMessage());
+            }
+        }
+        responseObserver.onNext(responseBuilder.build());
+        responseObserver.onCompleted();
+    }
+
 }
diff --git a/src/main/proto/gdpr.proto b/src/main/proto/gdpr.proto
index 86ec12f..59d5842 100644
--- a/src/main/proto/gdpr.proto
+++ b/src/main/proto/gdpr.proto
@@ -30,6 +30,12 @@ service GDPR {
    */
   rpc DataRestriction(DataRestrictionRequest) returns (DataRestrictionResponse) {};
 
+  /**
+  Platform Account Closure.
+  Used to inform the registered services to handle the 3rd party account closure.
+   */
+  rpc PlatformAccountClosure(PlatformAccountClosureRequest) returns (PlatformAccountClosureResponse) {};
+
 }
 
 message DataGenerationRequest {
@@ -65,4 +71,20 @@ message DataRestrictionRequest {
 message DataRestrictionResponse {
   bool success = 1; // indicate restrict processing was success
   string message = 2; // message from restrict processing
+}
+
+message AccountInfo {
+  string namespace = 1; // namespace
+  string userId = 2;    // user id in the namespace
+}
+
+message PlatformAccountClosureRequest {
+  string platform = 1; // platform: psn, xbox, epicgames, etc
+  string platformUserId = 2; // third party account id
+  repeated AccountInfo accounts = 3; // account info in each namespace
+}
+
+message PlatformAccountClosureResponse {
+  bool success = 1; // indicates platform account closure was success
+  string message = 2; // message from platform account closure process
 }
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