Form 8594 must also be filed if the purchaser or seller is amending an original or a previously filed supplemental Form. 8594 because of an increase or decrease.Who Must File Form 8594? Both the seller and purchaser of a group of assets that make up a trade or business need to file Form 8594. Go to Screen 65, Asset Acquisition Statement (8594) (Screen 58 for S-Corp). Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. A completed tax form is required for all new suppliers. 1. Gather necessary documentation for the asset sale. This Annual Report on Form 10K includes forwardlooking statements within the meaning of Section 27A of the.