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. ▷ Attach to your income tax return. This article offers guidance on helping clients take advantage selling personal goodwill as a tax strategy. Asset Sale and Purchase. 2. •. Stock Sale and Purchase. 4. •. The return should include the tax due from business operations to the last day of business, as well as any tax collected on assets that you sell.