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.In Part IGeneral Information, enter the name, address, and TIN of the other party to the transaction (purchaser or seller). Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. Learn how to file form 8594 and when to file. In an asset sale, Seller and Acquiror each must complete Form 8594, Asset Acquisition Statement. Under Section 1060 (Rev. Feb.