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.The form serves as a record for the IRS, detailing how the purchase price is allocated among various assets to reflect their fair market value. 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 IRS requires both the buyer and seller to submit Form 8594, which outlines the purchase price allocation. Learn how to file form 8594 and when to file.