Both the seller and purchaser of a group of assets that makes up a trade or business must use Form 8594 to report such a sale. Before you buy an existing business, find out if the business owes any Texas taxes.An asset purchase agreement is the legal document that will govern the transfer of ownership of a business's assets from the seller to the buyer. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. A Texas Business Purchase Agreement will help transfer business ownership and outline the terms of the sale. Use Form 4797 to report: The sale or exchange of property. The involuntary conversion of property and capital assets. In an asset sale, the new owner purchases the business's physical assets. The seller retains all rights to the legal entity. A business sale agreement is a legal document that describes and records the price and other details when a business owner sells the business.