(1)The Director may from time to time by order fix maximum charges which a person who is not a relevant undertaker may recover from another such person in respect of water supplies or sewerage services provided to that other person with the help of services provided by a relevant undertaker.
(2)For the purposes of this section water supplies or sewerage services are provided to a person with the help of services provided by a relevant undertaker if—
(a)a facility for that person to have access to a supply of water provided by a water undertaker in pipes, or to make use of sewerage services provided by a sewerage undertaker, is made available to that person otherwise than by the undertaker;
(b)that person is provided with a supply of water in pipes by a person to whom the water is supplied, directly or indirectly, by a water undertaker; or
(c)that person is provided with sewerage services by a person who, for the purpose of providing those services, makes use of sewerage services provided, directly or indirectly, by a sewerage undertaker.
(3)It shall be the duty of the Director to publish any order under this section in such manner as he considers appropriate for the purpose of bringing it to the attention of persons likely to be affected by it.
(4)An order under this section may make different provision for different cases, including different provision in relation to different persons, circumstances or localities, and may fix a maximum charge either by specifying the maximum amount of the charge or by specifying a method of calculating that amount.
(5)Where a person pays a charge in respect of anything to which an order under this section relates and the amount paid exceeds the maximum charge fixed by the order, the amount of the excess shall be recoverable by that person from the person to whom he paid the charge.