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. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity.Filing Form 8594 becomes mandatory when goodwill or going concern value is involved in the sale of an insurance agency or book of business. 1. Gather necessary documentation for the asset sale. Both the seller and buyer of the business must file the form with their tax returns. Both the purchaser and seller must file Form 8594, Asset Acquisition Statement Under Section 1060.