Request Templates - Contact View

On the Contact View in Request Templates, I want to specify the Group field, but have it pre-set and hidden from the Contact so that when they create the request the Group is already assgined for them.

It may have been in ServiceDesk that this "hidden" attribute is possible when working with request templates, I want it in SC+ as well.

Business Rules are NO GOOD for this. I want every request that is logged to be assigned to the same Group WHEN a contact logs it. Our Support Reps can change the Group when they log a request, but all Contacts logging requests need to be fixed to a specific Group.

I want all fields for request templates to be pre-settable and hidden, with the possibility of using this for both Support Rep view and Contact view, just like in ServiceDesk.

Regards,
David.