Who Supports the PAS?

Who supports the PAS? This from a detectorist's blog:

Dear Mr Howland
English Heritage supports the Portable Antiquities Scheme (PAS), is represented on it’s Advisory Committee .. [...]
Yours sincerely, [English Heritage] Customer Services

It seems that in the UK, it's quite a lot of semi-literates incapable of actually benefiting from going to school which support the PAS.