Use Form 8883 to report information about transactions involving the deemed sale of corporate assets under section 338. The sum of the amounts allocated to Classes IV and V are reported in the aggregate on Form 8594.See Appendix A; see also T.D. 8711 (Jan. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. Are you looking for a federal tax form? Browse this online tax forms library to find downloadable IRS forms.