If you are in IL, you must have a pin. Otherwise, what is the error message?
The pin from Illinois is used to verify your identity when filing your tax return.
If you live in IL, you MUST get an IL PIN from the state department.
If you don’t know your Illinois PIN you can:
To get your PIN, you will need your Social Security Number and one of the following:
1. 2018 Adjusted Gross Income (IL-1040, line 1)
2. Drivers’ license number
3. Illinois state ID number
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