It would just be classified as OTHER.
The UK Census system has 100 recognised religions, anything not on their list is classified OTHER.
The list is ratified PRIOR to the forms being issued and is not changable accept via act of parliment.
Also, this is really a GDF topic. (OK, so I'm power hungrey but I'm moving it anyway...)
[ April 13, 2001: Message edited by: RatCat ]