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). 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. The tax professional who comes into contact with such a situation should consider the need to file Form 8594, or to revise the valuation of specific assets. 1. Gather necessary documentation for the asset sale. Learn how to file form 8594 and when to file. Line 1: Enter the name, address, and Tax Identification Number (TIN) of the other party (either the purchaser or seller).