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Individuals

Additions/Subtractions

Your Illinois income includes the adjusted gross income (AGI) amount figured on your federal return, plus any additional income that must be added to your AGI. Some of your income may be subtracted when figuring your Illinois base income.

Schedule M, Other Additions and Subtractions for Individuals, allows you to figure the total amount of additions you must include on Form IL-1040, Individual Income Tax Return, Line 3 and subtractions you may claim on Form IL-1040, Line 7.

You may not subtract anything that is not listed on Schedule M. For example, you may not subtract