6.—(1) Subject to paragraph (2), within the period of four weeks beginning with the day on which he receives a proposal, the valuation officer shall by notice in writing served on the proposer acknowledge its receipt.
(2) Paragraph (1) does not apply where a valuation officer serves a notice under regulation 7 in respect of the proposal.
(3) A notice under paragraph (1) shall specify the date of receipt of the proposal and shall be accompanied by a statement of the effect of regulations 8 to 12.