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. Form 8594 is an Internal Revenue Service (IRS) form that provides a structured way to allocate the purchase price of a business among different asset classes. Kevin would file a Form 8594 outlining the allocation of purchase price amongst the assets purchased. Section 1060 Acquisitions. In an asset sale, Seller and Acquiror each must complete Form 8594, Asset Acquisition Statement.