On 12/11/2014 16:26, whisky-dave wrote:

You are NOT considered 'competent' to work on gas unless you are gas safe registared. It really is that simple.

Where is the law which says that? You've had the law which doesn't say
that shown to you - unless you can show otherwise, you're not going to
win this argument.

You'll probably go on insisting you need to be gas safe, but you'll be
wrong.