Virginia transaction attorney shares how to write an effective and legally binding business purchase agreement. Sell Agreement (BSA) is a lifetime contract providing for the transfer of a business interest upon the occurrence of one or more triggering events.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. A retail installment sale is a transaction between you and a dealer to purchase a vehicle where, you agree to pay the dealer over time. There are three basic options for valuing your business in a BuySell Agreement: (1) fixed price, (2) formula, or (3) appraisal. With a Commercial Line of Credit, you'll be able to get the vehicles your business needs: faster, easier and with less hassle. Get any of our free bill of sale forms online and get it processed in any city in the state of Virginia.