29.—(1) On or after deciding an appeal the tribunal may in consequence of the decision by order require a listing officer to alter a list, subject to paragraph (3), in accordance with any provision made by or under the Act.
(2) The listing officer shall comply with an order under paragraph (1) within six weeks beginning on the day of its making.
(3) Subject to paragraph (4), where the decision is that the valuation band applicable to the dwelling should be higher than—
(a)the valuation band shown in the list at the date of the proposal; and
(b)the valuation band contended for in the proposal,
the order shall require the list to be altered with effect from the day on which the decision is given.
(4) Paragraph (3) does not apply where the alteration relates to any dwelling which has come into existence or ceased to exist; and regulation 14(8) shall apply for the purposes of this paragraph as it applies for the purposes of that regulation.
(5) An order under this regulation may require any matter ancillary to its subject-matter to be attended to.