285.—(1) A person may not publish an advertisement relating to a medicinal product that—
(a)contains a substance which is listed in any of Schedules I, II or IV to the Narcotic Drugs Convention (where the product is not a preparation listed in Schedule III to that Convention); or
(b)contains a substance which is listed in any of Schedules I to IV to the Psychotropic Substances Convention (where the product is not a preparation which may be exempted from measures of control in accordance with paragraphs 2 and 3 of article 3 of that Convention).
(2) This regulation is subject to regulation 292 (exception for approved vaccination campaigns).