4.—(1) The Chief Inspector may charge a relevant water supplier a fee, payable on invoice, for the exercise of such functions of an inspector under section 86(2) of the 1991 Act as are specified in column 1 of the table.
(2) The Chief Inspector must determine the fee in accordance with the corresponding entry in column 2 of the table.
(3) The rates to be applied to the determination of the fee referred to in column 2 of the table must be fixed by the Chief Inspector and—
(a)be approved by the Welsh Ministers;
(b)be published by the Welsh Ministers (which must include publication on a website), and
(c)be reviewed by the Welsh Ministers on or before 30 June in each calendar year following the calendar year in which the fee was last approved by the Welsh Ministers under sub-paragraph (a).
(4) Any fees received under this Order must be paid into the Consolidated Fund.