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. 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. After an asset purchase, the parties are both required to file IRS Form 8594 with their federal income tax returns for that year. The different asset classes are presented on Form 8594, Asset Acquisition Statement Under Section 1060. Both buyer and seller fill out Form 8594 on their respective tax returns showing the allocation. Taxable Stock Sales. This article will help you understand the tax implications for both buyer and seller in the purchase or sale of the stock or assets of an Scorporation.