Restricting Customer Form to only Communication Tab

I would like to add the ability to autorisation: COllections Agent so that they can add phone nrs and email details at party level to customers.

For the rest only read only access. I have tried this by adding functions, however it seems that the customer form behaves as 'all or nothing'.

Is there no other way to achieve this than giving Edit access and restricting all access other than the communication details via OA Framework personalisation?

Thanks