Use a California business purchase agreement to record the sale of a business. Download your free template today.1.1. Sale of Property. This document is a business purchase agreement between two entities. It details the sale of a business from the Seller to the Buyer. 1. Institution of Legal Actions. Any legal actions brought pursuant to this. Identify the parties involved in the transaction. 2. A sales agreement is used to describe and track the exact details of quantity and cost of purchasing or selling goods, services, or real estate. Record the following documents in the Official Records of.