To modify a change request type to support multiple control accounts:
On the Navigation menu, click Administration ยป Workflow Type Configuration.
Navigate to your change request type.
On the General tab, change the Relationship with Other Workflows to Workflow Can be a Parent.
In Multiple Control Accounts: Generate this workflow type, select the Control Account Change or a similarly configured change request type.
Click Save.
Modify a change request to support selecting control accounts in Open Plan