A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. Include the full name of the seller and buyer, their addresses, and other contact information.Use this sale agreement template to sell a restaurant, pub or bar business. Professionally drawn, comprehensive, yet easy to customise. Additionally, provide the effective date of the agreement. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Customize any template in minutes with PandaDoc. Buyer's name and address. Seller's name and address.