The documents you need to buy or sell a business depend on the structure (discussed here) and complexity of the deal as well as its specific terms. Seller desires to sell the Property to Buyer and Buyer desires to purchase the Property from Seller on the terms and conditions contained in this Agreement.An asset purchase agreement is a legally binding contract between a buyer and a seller outlining the terms of transferring assets. This article discusses seven (7) types of seller liabilities that should concern a buyer when negotiating the purchase of a California business. This Asset Purchase Agreement (the Agreement ) is made as of the 22nd day of February,. You must prepare a sales agreement to sell your business officially. This document allows for the purchase of assets or stock of a corporation. An asset purchase agreement is a written legal instrument that formalizes the purchase of a business or significant business asset.