Both an offer and an acceptance are essential to form an enforceable purchase agreement. 336.2-207, ADDITIONAL TERMS IN ACCEPTANCE OR CONFIRMATION.According to Minnesota law, you must disclose information about any wells on your property before the purchase agreement is signed. Elements of offer, acceptance, and consideration to which an agency is a party. Offer and acceptance disputes: The validity of a contract usually depends on the offer and acceptance. If the parties disagree on them, disputes may arise. Seller accepted and we signed a contract.