Offer and Acceptance. In the state of Arizona, no contract for real estate exists until the contract is offered and accepted in writing (A.You are legally bound to honor the agreement. It's not a contract until the seller agrees to it and signs it. Some of the most important points in your offer are;. How to properly fill out the Arizona Association of Realtors Resale Purchase Contract using Dotloop. This attachment should be given to the Buyer prior to the submission of any offer and is not part of the Residential Resale Real Estate Purchase.