12.—(1) A penalty charge notice fixed to a vehicle in accordance with regulation 9(2)(a) or (3) must not be removed or interfered with except by or under the authority of—
(a)the owner or person in charge of the vehicle, or
(b)the enforcement authority.
(2) A person contravening paragraph (1) is—
(a)guilty of an offence, and
(b)liable on summary conviction to a fine not exceeding level 2 on the standard scale.