Selling a business contract involves a lot of paperwork. We'll discuss the must-haves and the potential pitfalls.Identify the parties involved in the transaction. 2. In an asset sale, the new owner purchases the business's physical assets. The seller retains all rights to the legal entity. Sale of the Purchased Assets; Assumption of the Assumed Contracts. The contract will state the date at which the final transfer of ownership and possession of the business will occur, and when the seller will get the money. Effectively managing asset purchase agreements is crucial to business longevity. Learn how to create one and what to include.