The parties must agree and sign an agreement before any settlement reached at the mediation is binding. Mediation shall take place in the State of Arizona.Get a comprehensive understanding of Arizona real estate purchase and sale agreements with our indepth overview and free template. On the terms and conditions contained in this Agreement,. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Write down the seller's full name.