(1) The Remuneration Tribunal must, at least once every 3 years--(a) determine categories for councils and mayoral offices, and(b) place each council and mayoral office into one of the categories it has determined.
(2) The determination of categories by the Remuneration Tribunal is for the purpose of enabling the Remuneration Tribunal to determine the maximum and minimum amounts of fees to be paid to mayors and councillors in each of the categories so determined.