Sch 8 para 9
(1) It shall be the duty of a planning authority— (a) to undertake in accordance with the following provisions of this paragraph reviews of suspension orders and supplementary suspension orders which are in operation in their district, and (b) to determine whether they should make in relation to any land to which a suspension order or supplementary suspension order applies— (i) an order under paragraph 3, or (ii) a supplementary suspension order. (2) The first review of a suspension order shall be undertaken not more than 5 years from the date on which the order takes effect. (3) Each subsequent review shall be undertaken not more than 5 years after the previous review. (4) If a supplementary suspension order is in operation for any part of the area for which a suspension order is in operation, they shall be reviewed together. (5) If a planning authority have made a supplementary suspension order which requires the taking of steps for the protection of the environment in substitution for all the steps required to be taken by a previous suspension order or supplementary suspension order, the authority shall undertake reviews of the supplementary suspension order in accordance with sub-paragraphs (6) and (7). (6) The first review shall be undertaken not more than 5 years from the date on which the order takes effect. (7) Each subsequent review shall be undertaken not more than 5 years after the previous review.