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. The buyer of business assets and the seller must independently report to the IRS the purchase price allocations that both use.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. To order Form 8594, you may call toll-free 1-800-424-FORM. This form provides the IRS with a detailed breakdown of how the purchase price is allocated across different asset categories.