7.—(1) Where a local authority —
(a)draws up proposals under regulation 2(1)(a) or (4) and a referendum is not required for those proposals; or
(b)draws up proposals under regulation 2(2),
the authority must, subject to paragraph (2), implement the proposals in accordance with the timetable included in the proposals.
(2) A local authority required by paragraph (1) to implement proposals must not do so without the approval in writing of the Assembly.