California Codes, Civil Code - CIV, Division 3 — Obligations, Part 2 — Contracts, Title 1 — Nature of a Contract, Chapter 3 — Consent, Section 1587
A proposal is revoked by any of the following:
(a) By the communication of notice of revocation by the proposer to the other party, in the manner prescribed by Sections 1581 and 1583, before his or her acceptance has been communicated to the former.
(b) By the lapse of the time prescribed in the proposal for its acceptance or, if no time is prescribed, the lapse of a reasonable time without communication of the acceptance.
(c) By the failure of the acceptor to fulfill a condition precedent to acceptance.
(d) By the death or legal incapacity to make decisions of the proposer.
Notes
Defines when a proposal is revoked: timely communicated revocation by the proposer, expiration of the stated or a reasonable acceptance period, failure of the acceptor to satisfy a condition precedent, or the proposer’s death or legal incapacity to make decisions. Revocation by notice must occur before acceptance is communicated.
Use as reference
Lexinter.net | California Code, Civil Code - CIV § 1587 | https://laws.lexinter.net/codes/california/civil-code/division-3/part-2/title-1/chapter-3/section-1587