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. Florida Real Estate Commission Finalizes Buyer's Affidavits for Conveyances to Foreign Entities. Purchaser agrees to provide seller with a draft Form 8594 within ninety (90) days after closing for review and comment. Go to Screen 65, Asset Acquisition Statement (8594) (Screen 58 for S-Corp). This form gets filed with your tax return and the buyer and seller must agree on how the purchase price is allocated.