A Keating Law business lawyer helps existing businesses and any startup thrive throughout Wayne, Macomb, Grosse Pointe, and St. Clair. How to fill out the Agreement of Purchase and Sale of Business Assets?1. Read the entire Agreement carefully. 2. (i) The Company further covenants and agrees to complete "IDA Appointment of. Buyer agrees to buy and Seller agrees to sell that certain parcel of real property situate in the Village of. Business assets are not considered legally transferred without a properly executed Business Purchase Agreement between the seller and purchaser.