We offer the personalized and strategic counsel you need to effectively complete these transactions in Queens, Nassau and throughout New York State. A sales agreement for buying a business is necessary for keeping both the parties on the same page and avoiding any legal trouble.Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. An asset purchase agreement is a legal document used when buying or selling a small business. Read on to understand the basics. ASSET PURCHASE AGREEMENT from AMERICAN LEARNING Corp filed with the Securities and Exchange Commission.