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.The buyer of business assets and the seller must independently report to the IRS the purchase price allocations that both use. 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.