10.—(1) Any person who without reasonable excuse contravenes or fails to comply with any of the provisions of regulation 3(1) shall be guilty of an offence, and liable on summary conviction to a fine not exceeding £2000.
(2) Where the commission by any person of an offence under regulation 3(1) is due to the act or default of some other person, that other person shall be guilty of the offence, and a person may be charged with and convicted of the offence by virtue of this regulation whether or not proceedings are taken against the first-mentioned person.