Modification of approved controlled goods
11.—(1)  No person shall, without the approval of the Safety Authority, in the course of any trade or business, alter or modify the design, materials or construction of —
(a)any controlled goods approved under regulation 8; or
(b)any batch of controlled goods approved under regulation 10.
(2)  An application for approval under this regulation for such alteration or modification shall be made to the Safety Authority —
(a)where the initial approval was granted under regulation 8, in accordance with regulations 5, 6, 7 and that regulation; and
(b)where the initial approval was granted under regulation 10, in accordance with that regulation.
(3)  Any person who contravenes paragraph (1) shall be guilty of an offence.
(4)  Any person who in the course of any trade or business supplies or advertises for the purpose of supply any controlled goods which has been altered or modified in contravention of paragraph (1) shall be guilty of an offence.