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. Enter your name and taxpayer identification number (TIN) at the top of the form.Then check the box for Purchaser or Seller. 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. The form you mentioned, Form 8594, is used to report when business assets change hands, and the date you choose can affect your taxes.