Acceptance in contract law is when a person agrees to the terms of an offer without any changes. In contract law it is what the parties say or do that matters; not, what they mean.Identify elements of contract (offer, acceptance, consideration). 2. Recognize that this advertisement was an offer. 2. 3. "20 Offers are distinguished from invitations to treat. The residential sales contract is also known as a purchase agreement, offer to purchase, or contract of purchase and sale-our brokerage firm uses. 7. Paragraph (1)(a) does away with the common-law presumption that the acceptance must be transmitted in the same manner and medium as the offer. The defendant had displayed the knife in a shop with a cash price tag. An offer which requires acceptance to be communicated in a specified way can generally be accepted only in that way. Unlike in other states, you are not expected to sign a form contract when you make your offer.