In TurboTax Online, navigate to Tax Home > State taxes > Illinois > Revisit, from there, go through all the Illinois interview screens until you get to the state credits menu (so you know you've gone far enough into the state interview screens), from there, continue navigating through the questions until you see a menu that looks like this:

Select Yes
On the following screen, enter your email address, and select the checkboxes for which persons in your tax return should be evaluated by the Illinois Department of Revenue for affordable health coverage options.
In TurboTax Desktop,
- Select Forms
- Under Illinois Individual select Info Worksheet
- Scroll to Part IV and check the box under Health Insurance Information
- Then, select Form IL-1040,
- Scroll down to step 12 Line 42 and place your checkmark(s) next to Self, Spouse, or Dependent(s)
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