If an offer authorizes certain means of acceptance, use of an unauthorized means of acceptance is acceptable but the contract is not formed until the acceptance is received by the offeror.

Question

Quizplus · Accepted Answer

When an offer specifies a particular means of acceptance, using a different means can still result in a valid acceptance, but the contract is only formed when the acceptance is actually received by the offeror, not when it is sent.

If an Offer Authorizes Certain Means of Acceptance, Use of an Unauthorized