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. 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. This form is for general instructions that apply to all corporation tax forms. It includes a variety of topics about how to fill out your form. â–· Attach to your income tax return. Did you buy or sell a business during the tax year? If so, you may need to file IRS Form 8594 with your federal tax return. ASSET PURCHASE AGREEMENT from BRUKER CORP filed with the Securities and Exchange Commission.