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. Purchaser agrees to provide seller with a draft Form 8594 within ninety (90) days after closing for review and comment. The purchase price allocation process involves apportioning the aggregate cost of acquisition across the identifiable assets and liabilities obtained. 33.3 Buyer and Seller agree to cooperate fully with each other to determine the appropriate asset allocation for this transaction.