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. You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets.Complete all lines to identify the business or business assets being sold or transferred. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. â–¶ Attach to your income tax return. Use Form 4797 to report: The sale or exchange of property. The involuntary conversion of property and capital assets.