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. This Agreement contains the entire agreement of the parties with respect to the sale of the Premises.Drafting Checklist for Purchase Agreements. Form 3.02, Sample Clauses for Drafting Purchase Agreements. At a bare minimum, a binding purchase agreement for real estate in Michigan must be in writing and must include all of the following essential terms:. A buysell agreement is a contract that outlines the contingencies of a partnership deal. Also known as a business continuation agreement or buyout agreement.