A sales agreement for buying a business is necessary for keeping both the parties on the same page and avoiding any legal trouble. An asset purchase agreement is a legal document used when buying or selling a small business.Read on to understand the basics. The Asset Purchase Agreement Checklist outlines important considerations for buying or selling a business, including assets, liabilities, and contracts. 1.4 Allocation of Purchase Price. The Purchase Price shall be allocated among the Assets acquired in accordance with Schedule 1.4. Contractors are required to complete the following information and submit the form to the Suffolk County Purchasing. Office. In an asset purchase, the purchaser only acquires the assets and liabilities it identifies and agrees to acquire and assume from the seller. 2. Purchase Price and Payment.