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. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity.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 if goodwill or going concern value. Internal Revenue Service (IRS) website, IRS Forms and Publications, Refund Status, IRS Withholding Calculator, Foreign Account Tax Compliance Act. Include a copy of IRS Form 5768.