8.—(1) Subject to paragraph (2), a person (“A”) is authorised as a green deal certification body or a green deal participant listed in paragraph (3) where, under Part 3, A is entered on the relevant register established under regulation 9.
(2) A is not authorised under paragraph (1) where the relevant register shows that A’s authorisation is suspended or withdrawn.
(3) The list referred to in paragraph (1) is—
(a)green deal assessor certification body;
(b)green deal assessor;
(c)green deal installer certification body;
(d)green deal installer;
(e)green deal provider.