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. Seller financing can help get a deal across the finish line.Typically, this involves two documents: a financing agreement (basically a loan document outlining the details and terms of the loan) and a promissory note. You will need a promissory note and security agreement that addresses the key terms of the seller note. The tax implications of seller financing can vary based on the structure of the financing arrangement. Here are some general considerations.