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An acceptance may be withdrawn if the withdrawal reaches the offeror before or at the same time as the acceptance would have become effective.
1. Article 22 is the counterpart to art. 15 on the effect of a simultaneous offer and its withdrawal and complements the rule in art. 18(2) that an acceptance is effective when it reaches the offeror.
2. The meaning of "at the same time" raises the same questions as in art. 15, which see.
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