UJI 13-812. Acceptance; performance as acceptance; notification of the offeror; partial performance.

If ______________ (name of offeror) invited acceptance of the offer through a return promise or through performance, and ______________ (name of offeree) began the invited performance, such performance was an acceptance of the offer. [Unless the offer required ______________ (name of offeree) to notify ___________ (name of offeror) about the beginning of performance, no notification was necessary for the performance to be acceptance.] [If ______________ (name of offeree) had reason to know that ______________ (name of offeror) had no adequate means of learning of the performance with reasonable promptness and certainty, ______________’s (name of offeror) contractual obligation[s] [was] [were] discharged unless: [______________ (name of offeree) exercised reasonable diligence to notify ______________ (name of offeror) of the acceptance]; [or] [______________ (name of offeror) learned of the acceptance within a reasonable time]; [or] [the offer indicated notification of acceptance was not required].]