This business sale agreement template can be used as a binding document to govern the sale of a business to a new owner. 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.1) This document is an agreement to sell a property located in DLF PRIMUS, Sector -, Gurgaon between the vendor and vendee. Identify the parties involved in the transaction. 2. A business proposal is a document you send to potential customers to persuade them to do business with you.