diff --git a/config/alfresco/model/permissionDefinitions.xml b/config/alfresco/model/permissionDefinitions.xml
index f7a0eea6c9..84ad844a2e 100644
--- a/config/alfresco/model/permissionDefinitions.xml
+++ b/config/alfresco/model/permissionDefinitions.xml
@@ -480,6 +480,24 @@
       
    </permissionSet>
    
+   <!-- =================================================== -->
+   <!-- Permission related to check in and cancel check out. -->
+   <!-- =================================================== -->
+
+      <permissionSet type="cm:workingcopy" expose="selected">
+
+         <!-- Cancel Check Out permission - only exposed for the workingcopy aspect is present -->
+         <permissionGroup name="CancelCheckOut" requiresType="true" expose="false">
+            <includePermissionGroup permissionGroup="Unlock" type="cm:lockable" />
+         </permissionGroup>
+
+         <!-- Check In permission - only exposed when the workingcopy aspect is present        -->
+         <permissionGroup name="CheckIn" requiresType="true" expose="false">
+            <includePermissionGroup permissionGroup="Unlock" type="cm:lockable" />
+         </permissionGroup>
+			
+      </permissionSet>
+   
    <!-- =================================================== -->
    <!-- Permission related to lock, check out and check in. -->
    <!-- =================================================== -->
@@ -494,17 +512,6 @@
           <includePermissionGroup permissionGroup="Lock" type="cm:lockable" />
       </permissionGroup>
       
-      <!-- Check In permission - only exposed when the lockable aspect is present        -->
-      <permissionGroup name="CheckIn" requiresType="true" expose="false">
-          <includePermissionGroup permissionGroup="Unlock" type="cm:lockable" />
-      </permissionGroup>
-      
-      <!-- Cancel Check Out permission - only exposed for the lockable aspect is present -->
-      <permissionGroup name="CancelCheckOut" requiresType="true" expose="false">
-          <includePermissionGroup permissionGroup="Unlock" type="cm:lockable" />
-      </permissionGroup>
-       
-       
       <permissionGroup name="Lock" requiresType="false" expose="false"/>
       <permissionGroup name="Unlock" requiresType="true" expose="false"/>
        
diff --git a/config/alfresco/public-services-security-context.xml b/config/alfresco/public-services-security-context.xml
index 4764206686..0d2db80f95 100644
--- a/config/alfresco/public-services-security-context.xml
+++ b/config/alfresco/public-services-security-context.xml
@@ -691,8 +691,8 @@
         <property name="objectDefinitionSource">
             <value>
                 org.alfresco.service.cmr.coci.CheckOutCheckInService.checkout=ACL_NODE.0.cm:lockable.CheckOut
-                org.alfresco.service.cmr.coci.CheckOutCheckInService.checkin=ACL_NODE.0.cm:lockable.CheckIn
-                org.alfresco.service.cmr.coci.CheckOutCheckInService.cancelCheckout=ACL_NODE.0.cm:lockable.CancelCheckOut
+                org.alfresco.service.cmr.coci.CheckOutCheckInService.checkin=ACL_NODE.0.cm:workingcopy.CheckIn
+                org.alfresco.service.cmr.coci.CheckOutCheckInService.cancelCheckout=ACL_NODE.0.cm:workingcopy.CancelCheckOut
                 org.alfresco.service.cmr.coci.CheckOutCheckInService.getWorkingCopy=ACL_NODE.0.sys:base.Read
                 org.alfresco.service.cmr.coci.CheckOutCheckInService.getCheckedOut=ACL_NODE.0.sys:base.Read
                 org.alfresco.service.cmr.coci.CheckOutCheckInService.isWorkingCopy=ACL_NODE.0.sys:base.Read
diff --git a/source/test-java/org/alfresco/repo/coci/CheckOutCheckInServiceImplTest.java b/source/test-java/org/alfresco/repo/coci/CheckOutCheckInServiceImplTest.java
index a84d08d2e8..2c0efba14b 100644
--- a/source/test-java/org/alfresco/repo/coci/CheckOutCheckInServiceImplTest.java
+++ b/source/test-java/org/alfresco/repo/coci/CheckOutCheckInServiceImplTest.java
@@ -39,6 +39,7 @@ import org.alfresco.repo.version.VersionModel;
 import org.alfresco.service.ServiceRegistry;
 import org.alfresco.service.cmr.coci.CheckOutCheckInService;
 import org.alfresco.service.cmr.lock.LockService;
+import org.alfresco.service.cmr.lock.LockType;
 import org.alfresco.service.cmr.lock.NodeLockedException;
 import org.alfresco.service.cmr.model.FileFolderService;
 import org.alfresco.service.cmr.repository.AssociationRef;
@@ -1131,7 +1132,6 @@ public class CheckOutCheckInServiceImplTest extends BaseSpringTest
         assertTrue(thrown);
         
         ////////////////////////////////////////////////
-        // testing "move" actions with non-owner user //
         ////////////////////////////////////////////////
 
         // create another person
@@ -1187,8 +1187,6 @@ public class CheckOutCheckInServiceImplTest extends BaseSpringTest
 
     /**
      * MNT-2641 
-     * <p/>
-     * Original cannot be deleted while it is checked out. No one should be able to delete or update the original.
      */
     public void testDeleteUpdateOriginalOfCheckedOutDocument()
     {
@@ -1398,7 +1396,6 @@ public class CheckOutCheckInServiceImplTest extends BaseSpringTest
     {
         return nodeService.createNode(parentRef, ContentModel.ASSOC_CONTAINS, QName.createQName(contentName), ContentModel.TYPE_CONTENT).getChildRef();
     }
-
     private void createPerson(String userName)
     {
         // if user with given user name doesn't already exist then create user
@@ -1433,4 +1430,27 @@ public class CheckOutCheckInServiceImplTest extends BaseSpringTest
         }
     }
 
+    /**
+     * <br>
+     * Creating node - CheckOut - Add write lock to working copy - Unlock working copy - CancelCheckOut
+     */
+    public void testCancelCheckoutUnlockedWCopy()
+    {
+        ServiceRegistry serviceRegistry = (ServiceRegistry)this.applicationContext.getBean(ServiceRegistry.SERVICE_REGISTRY);
+        CheckOutCheckInService securityCOCIService = serviceRegistry.getCheckOutCheckInService();
+        NodeRef folderA = createFolder(rootNodeRef, "testMnt9502_" + System.currentTimeMillis());
+        assertNotNull(folderA);
+        NodeRef clucc = createContent("checkout_lock_unlock_cancelCO", folderA);
+        assertNotNull(clucc);
+        
+        NodeRef wc = securityCOCIService.checkout(clucc);
+        lockService.lock(wc, LockType.WRITE_LOCK, 60*60);
+        lockService.unlock(wc);
+        securityCOCIService.cancelCheckout(wc);
+    }
+    
+    private NodeRef createFolder(NodeRef rootNodeRef, String fName)
+    {
+        return nodeService.createNode(rootNodeRef, ContentModel.ASSOC_CONTAINS, QName.createQName(fName), ContentModel.TYPE_FOLDER).getChildRef();
+    }
 }