Offer and Acceptance

For a Simple contract to be valid one party essential make an stand and the other accept it (see Acceptance of scissure). The conjure pass on usually indicate the form the acceptance should take (e. g. , in writing, by post), and whitethorn indicate when the acceptance will be deemed to commit occurred (e. g. , on delivery of the posted acceptance, see Acceptance of offer by post). In seeking to prove that a contract was in existence, it will be necessary to show that there was a definite offer. Certain things face like offers, moreover arent always what they seem.Here are some examples. Invitations to do by are not offers (see Invitation to treat). For example, putting an item on display in a shop window with a price label is not an offer, it is merely an invitation to treat. Pre-contractual negotiations, particularly in Conveyancing, may have the appearance of offers, but it will be necessary to satisfy the courts that a real offer has been made. Tenders (see Tender) are n ot offers unless they are construed as a Unilateral contract.An offer can be withdrawn (revoked) at any time up to acceptance, provided it is communicated appropriately to the offeree. there are a few of complications with this. Placing a mark off of the withdrawal in the post does not constitute the withdrawal it has to be received and understood by the offeree (see Byrne vvan tienhov en (1880)). If the offer forms the basis for a unilateral contract, it can be difficult to revoke. Typically the offerer must take reason equal to(p) steps to revoke the offer in the corresponding form as it was originally made.For example, if the offer was made in a newspaper, then it should probably be revoked the same way. Moreover, it is particularly problematic if a unilateral offer is revoked before full completion of the act that constitutes the acceptance. In Carlill v Carbolic, for example (see Carlill v carbolic smoke ball co (1893)), Mrs Carlill was able to demonstrate that she had com pleted the acceptance, so Carbolic could not have escaped its obligations be revoking the offer.However, suppose Mrs Carlill had started using the Smoke Ball, and written to Carbolic expressing her wish to claim the payment if it failed. If Carbolic had withdrawn the offer at that time, could the agreement be enforced? There is no clear ruling on this the decision in Errington v Errington sees to imply that once the acceptors consideration is executory (that is, Mrs Carlill has begun using the Smoke Ball), then the offer cannot be revoked (see Errington v errington (1951)).There are, however, some slip-ups with the opposite conclusion. An offer may be self-terminating if the terms of the offer include, for example, a time limit for acceptance. If no time limit is given, an offer may be deemed by the courts to have expired after a reasonable time. This will be the case even if the offerers have not explicitly revoked the offer. The death of either the offerer or offeree, prior to a cceptance, probably constitutes a revocation of the offer.