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. Attachment B is the new Form 8883. Generally, both the purchaser and seller must file Form 8594 and attach it to their income tax returns (Forms 1040, 1041, 1065, 1120, 1120-S, etc.) Keep copies of any receipts, tax forms, worksheets and other documentation to support any income, deduction, exemption and credit you have reported.