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. The most important document in an asset deal is the Asset Purchase Agreement (the "APA").In this article, I will discuss the key provisions of an APA. "Buyer" has the meaning specified in the Preamble of this Agreement. "Buyer Fundamental Representations" has the meaning specified in Section 8.01. Download Pennsylvania Asset Purchase Agreement template, modify and send for signing using BoloForms Signature. View the forms library. Key Elements of the Closing Process. Final Purchase Agreement: The legally binding document that outlines the terms and conditions of the sale. A taxable asset purchase allows the buyer to "step up," or increase, the tax basis of the acquired assets to reflect the purchase price.