23. A person guilty of an offence under Article 31 of the 1978 Order for a contravention of any the following is liable on summary conviction to a fine not exceeding level 2 on the standard scale—
(a)any of the terms and conditions as may be specified in a licence in respect of one or more tier 2 substances under regulation 5;
(b)regulation 12(7);
(c)regulation 13(3).