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. 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.The seller should also have a Form 8594 that they filed with their return. Both buyer and seller are supposed to attach this form to their respective tax returns in the year of sale. Both buyer and seller fill out Form 8594 on their respective tax returns showing the allocation. Taxable Stock Sales. Reciprocity Exception: Full-year nonresident living in a border state does not have to file if the nonresident's only Ohio-sourced income is wages.