Depends who you contact at which office, I think.
They gave me the stuff you mentioned, Gibbo, except wouldn't go for formation, low flying or aerobatics, the logic (?) being that if I needed to do that stuff it should be for a specific operation under someone's AOC (to teach it, for example), not as a blanket auth to do it wherever I wanted to.
Seemed strange, but it's a bit hard to argue with city hall, as they say. They did give me rappelling when I asked for it though.
Seems there is a lack of consistency in the system.
Anyway, if you do need to be written up for form, Cougar, and they won't give it to you on your log book proof (I'd try that first) you need to find an ATO somewhere who's got approval to train people in form and prove to his or her satisfaction that you are competent, which would probably involve a flight check (unless they were willing to give it to you on the basis of your log book).