How to change effective date for Primary work relationship change

Summary:

Client changed a Primary work relationship from wrong effective date and is now willing to correct the effective date field.

Content (required):

Is there a way to change Primary work relationship effective date? We have tried both classic and responsive UI. In Classic UI, we do not have effective date field at all on Work relationship page and in Responsive UI we can insert a backdated effective date for Primary work relationship only once, but we cannot edit it.

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

23A

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