(1)For the purposes of section 5, administrative functions exercisable by any person appointed as a member of the administrative staff of any tribunal specified in schedule 3—
(a)by a listed authority (whether alone or jointly with any other person), or
(b)with the consent (whether as to remuneration and other terms and conditions of service or otherwise) of a listed authority,
are to be taken to be administrative functions of that authority.
(2)Her Majesty may by Order in Council amend schedule 3 so as to—
(a)modify any entry in it,
(b)remove any entry from it, or
(c)add any entry to it.