How to avoid the return to the supplier of a purchase receipt, expense type, invoiced and paid?

Summary:

The requesting user was able to make the return, which generates inconsistencies in the information, because it was already invoiced, the invoice can no longer be canceled by business rule.

Content (required):

it is a purchase order for the purchase of a service, the system allowed him to make the return, even though the receipt is paid.

Version (include the version you are using, if applicable):

22C

Code Snippet (add any code snippets that support your topic, if applicable):