3Operative day
(1)The Commissioners shall determine a day to be the operative day for the purposes of this Act being a day falling in the period beginning with the date on which this Act comes into force and ending six months after that date.
(2)Before the day so determined the Commissioners shall publish a notice in the London Gazette of the day so determined, stating that it is the operative day for the purposes of this Act.
(3)The publication of a notice under subsection (2) above shall be conclusive evidence of the operative day for the purposes of this Act, and a photocopy or other reproduction, certified by an authorised officer of the Commissioners, of a page or part of a page of the London Gazette containing the notice shall be conclusive evidence of publication of the notice.