4.—(1) Where the Secretary of State intends to cause an inquiry to be held, he shall, not later than 4 weeks after the date specified in paragraph (2), give written notice of that intention to each statutory objector at the address furnished to the Secretary of State.
(2) The date referred to in paragraph (1) above is the date of expiry of the period within which an objection to the draft order or scheme may be made.