23.—(1) No manufacturer or, where regulation 24(1)(b) applies, no importer shall supply a pyrotechnic article unless the article—
(a)complies with the essential safety requirements set out in paragraph 1 and, if applicable, in paragraphs 2(1), (5), (6), (7), 3 and 4 of Schedule 2;
(b)has been submitted to a notified body or is otherwise subject to a conformity assessment procedure;
(c)has passed a conformity assessment procedure in accordance with regulation 28 carried out by a notified body;
(d)has affixed to it a CE marking in accordance with regulation 29; and
(e)complies with the labelling requirements set out, as the case may be, in regulation 31 or 32.
(2) A category 4 firework built by a manufacturer for its own use which complies with the law applicable to such a firework (excluding these Regulations) need not comply with this regulation.