7.—(1) An excess charge of £30 shall be payable, in accordance with paragraph (2), in respect of any vehicle which is allowed to remain parked in contravention of regulation 3 or 4.
(2) The excess charge shall be paid to the Secretary of State, or to a person authorised by the Secretary of State to receive such charge on his behalf, by the person who parked the vehicle in the Park within 14 days of the date of a written demand for the same.
(3) Payment of the excess charge in accordance with paragraph (2) shall preclude proceedings being commenced for contravention of regulation 3 or 4.