This document outlines the legal rules regarding a valid acceptance in contract law. It discusses that acceptance must come from the person the offer was made to, must be absolute and unqualified, and must be communicated to the offeror. It also notes that acceptance must be within a reasonable time period and before the offer is revoked, must follow the offer, and rejected offers require renewal to be accepted. The document concludes by explaining the communication requirements for offers, acceptances, and revocations under contract law sections 4 and 5.