2021 IL-1040-ES Estimated Income Tax Payments for Individuals

IL-1040-ES (R-12/20) Estimated Tax Worksheet. 1. Enter the Illinois base income you expect to receive in 2021. (See Form IL-1040.) 1 2. Enter the total exemption amount you expect to claim on your 2021 Illinois Income Tax return, Line 10. (See Form IL-1040 and Schedule IL-E/EIC Instructions.) 2 3. Subtract Line 2 from Line 1. ................
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