Sch 1C para 13
(1) Rules must ensure that, subject to any provision made in accordance with paragraph 14, the time allowed for the acceptance of a takeover bid must not be less than the period of two weeks nor more than the period of 10 weeks beginning with the day after the date of publication of the offer document. (2) Rules may provide that the maximum period allowed for acceptance of a takeover bid may be extended on the condition that the offeror gives at least two weeks’ notice of the offeror’s intention to close the takeover bid.