Print a copy of your tax return and follow the sequence of events. Your accumulated losses are tallied on Form 8582. See "Reporting an Entire Disposition on Form 4797 or Form 8949" in the Instructions for Form 8582. depending on whether or not it was a gain or loss, you may have entries on Forms 4797 and/or Schedule E. Schedule E losses are reported on Line 22 Deductible rental real estate loss after limitation, if any, on Form 8582 (see instructions).
Form 8582
