Time limits 11 Time limits 20 (1) In relation to the formation of a contract, notification of acceptance of an offer is only effective if it occurs— (a) before the expiry of any period of time specified in the offer, or (b) if no period of time is specified in the offer, within a reasonable time after the notification of the offer has taken effect. 25 (2) Notification of acceptance of an offer occurs when— (a) in the case of section 7(1)(a), the statement in question reaches the offeror, (b) in the case of section 7(1)(b), the offeror is aware, or ought to be aware, of the conduct in question. (3) Performance of an act as described in section 3(1) is effective only if it is begun before 30 the expiry of any period of time mentioned in subsection (1). (4) Sections 13(3) and (4) apply for the purposes of subsection (2)(a) as they apply for the purposes of section 13(1). 12 Commencement of a period of time within which a response to an offer is required (1) Subsection (2) applies where, in relation to the formation of a contract, the terms of an 35 offer— (a) stipulate that the offeree must respond to the offer within a period of time, but 6 Contract (Formation and Remedies) (Scotland) Bill Part 1—Formation of Contract (b) do not make clear when the period is to begin. (2) The period begins on the taking effect of the notification of the offer.