"I'm afraid this is a cancellation fee imposed by Supanet, which is pretty standard. Whilst this is not a charge to get your MAC code (which is now illegal under the new MAC code regulation) it's a stealth charge of sorts to any customers wanting to move to a new provider.
You can still get your MAC code for free but it seems likely you will have to pay the cancellation fee too."
Unbelievable. Its like a pc vendor saying "hey, have a pc for free!!! (there's just a £1,200 admin charge).
It sounds akin to one of those dodgy scams coming out of Africa.