18.—(1) The Department may fix an immobilisation device to a stationary vehicle on a public road or in a parking place if—
(a)a traffic attendant has fixed a penalty charge notice to the vehicle; or
(b)an amount is recoverable from the owner of the vehicle under Article 15 and prescribed conditions are satisfied.
(2) The Department shall also fix to the vehicle a notice—
(a)indicating that an immobilisation device has been fixed to the vehicle and warning that no attempt should be made to drive the vehicle or otherwise put it in motion unless it has been released from the device;
(b)specifying the steps to be taken in order to secure its release; and
(c)giving such other information as the Department may determine.
(3) A notice fixed to a vehicle in accordance with this Article shall 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 Department.
(4) A person contravening paragraph (3) shall be guilty of an offence and liable on summary conviction to a fine not exceeding level 2 on the standard scale.
(5) The power conferred by paragraph (1) includes power to move the vehicle to another place and fix an immobilisation device to the vehicle in that other place.
(6) It shall be the duty of the Department to prescribe conditions for the purposes of paragraph (1)(b).