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.Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. Both the purchaser and seller are required to file Form 8594. – Both the purchaser and seller are required to file Form 8594. Go to Screen 65, Asset Acquisition Statement (8594) (Screen 58 for S-Corp). – The Form 8594 must be attached to each filer's timely filed Federal income tax return. In Part IGeneral Information, enter the name, address, and TIN of the other party to the transaction (purchaser or seller). The buyer and seller are then required to report the allocation on Form 8594. We generally recommend that buyers and sellers coordinate the filing of.