diff --git a/lib/taskana-core/src/main/java/pro/taskana/Task.java b/lib/taskana-core/src/main/java/pro/taskana/Task.java
index 1e5abf3fe..353a7fce1 100644
--- a/lib/taskana-core/src/main/java/pro/taskana/Task.java
+++ b/lib/taskana-core/src/main/java/pro/taskana/Task.java
@@ -164,6 +164,13 @@ public interface Task {
      */
     String getBusinessProcessId();
 
+    /**
+     * Sets the external business process id.
+     *
+     * @param businessProcessId
+     */
+    void setBusinessProcessId(String businessProcessId);
+
     /**
      * Returns the parentBusinessProcessId of a task.
      *
@@ -171,6 +178,13 @@ public interface Task {
      */
     String getParentBusinessProcessId();
 
+    /**
+     * Sets the parent business process id to group associated processes.
+     *
+     * @param parentBusinessProcessId
+     */
+    void setParentBusinessProcessId(String parentBusinessProcessId);
+
     /**
      * Return the id of the task-owner.
      *
diff --git a/lib/taskana-core/src/main/java/pro/taskana/impl/TaskImpl.java b/lib/taskana-core/src/main/java/pro/taskana/impl/TaskImpl.java
index 541c25feb..02f801299 100644
--- a/lib/taskana-core/src/main/java/pro/taskana/impl/TaskImpl.java
+++ b/lib/taskana-core/src/main/java/pro/taskana/impl/TaskImpl.java
@@ -251,6 +251,7 @@ public class TaskImpl implements Task {
         return businessProcessId;
     }
 
+    @Override
     public void setBusinessProcessId(String businessProcessId) {
         this.businessProcessId = businessProcessId;
     }
@@ -260,6 +261,7 @@ public class TaskImpl implements Task {
         return parentBusinessProcessId;
     }
 
+    @Override
     public void setParentBusinessProcessId(String parentBusinessProcessId) {
         this.parentBusinessProcessId = parentBusinessProcessId;
     }
diff --git a/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java b/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java
index f7e9203dc..a081e84fa 100644
--- a/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java
+++ b/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java
@@ -17,7 +17,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -63,17 +62,21 @@ public class UpdateTaskAccTest extends AbstractAccTest {
         Task task = taskService.getTask("TKI:000000000000000000000000000000000000");
         Instant modifiedOriginal = task.getModified();
         task.setPrimaryObjRef(createObjectReference("COMPANY_A", "SYSTEM_A", "INSTANCE_A", "VNR", "7654321"));
+        task.setBusinessProcessId("MY_PROCESS_ID");
+        task.setParentBusinessProcessId("MY_PARENT_PROCESS_ID");
         Task updatedTask = taskService.updateTask(task);
         updatedTask = taskService.getTask(updatedTask.getId());
 
-        Assert.assertNotNull(updatedTask);
-        Assert.assertEquals("7654321", updatedTask.getPrimaryObjRef().getValue());
-        Assert.assertNotNull(updatedTask.getCreated());
-        Assert.assertNotNull(updatedTask.getModified());
-        Assert.assertFalse(modifiedOriginal.isAfter(updatedTask.getModified()));
-        Assert.assertNotEquals(updatedTask.getCreated(), updatedTask.getModified());
-        Assert.assertEquals(task.getCreated(), updatedTask.getCreated());
-        Assert.assertEquals(task.isRead(), updatedTask.isRead());
+        assertNotNull(updatedTask);
+        assertEquals("7654321", updatedTask.getPrimaryObjRef().getValue());
+        assertNotNull(updatedTask.getCreated());
+        assertNotNull(updatedTask.getModified());
+        assertFalse(modifiedOriginal.isAfter(updatedTask.getModified()));
+        assertNotEquals(updatedTask.getCreated(), updatedTask.getModified());
+        assertEquals(task.getCreated(), updatedTask.getCreated());
+        assertEquals(task.isRead(), updatedTask.isRead());
+        assertEquals("MY_PROCESS_ID", updatedTask.getBusinessProcessId());
+        assertEquals("MY_PARENT_PROCESS_ID", updatedTask.getParentBusinessProcessId());
     }
 
     @WithAccessId(