18Enforcement authorities
(1)Each local authority is authorised to act as an enforcement authority in relation to premises, places and vehicles that are within its area.
(2)Regulations may make provision for the chief officer of police for a police area, in addition, to be authorised to act as an enforcement authority in relation to vehicles that are in that police area.
(3)An enforcement authority must enforce the provisions of this Chapter and regulations made under it as respects the premises, places and vehicles in relation to which, by virtue of this section, it is authorised to act.
(4)An enforcement authority may make arrangements with another enforcement authority for a case being dealt with by it in the exercise of its functions for the purposes of this Chapter to be transferred (or further transferred, or transferred back) to, and taken over by that other authority.
(5)References in this Chapter to an authorised officer are to any person (whether or not an officer of the enforcement authority) authorised by an enforcement authority for the purposes of this Chapter.