2020 Form IL-1040-X Illinois Department of Revenue …

Attach federal Form 1040 or 1040-SR, Page 1. 5.00 6 Illinois Income Tax overpayment included in federal Form 1040 or 1040-SR, Schedule 1, Line 1. or 1040-SRAttach federal Form 1040 , Schedule 1. 6.00 7 Other subtractions. Attach Schedule M. 7.00 8 Total subtractions. Add Lines 5 through 7. 8.00 9 Illinois base income. Subtract Line 8 from Line ... ................
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