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Illinois

Illinois: If you are a full-time resident, you are required to file Form IL-1040. If you have any questions, you may access the guidelines at the following link: here

PART-YEAR RESIDENT:

If you are a part-time resident, you are required to file Form IL-1040 and Schedule NR. This states that you earned income from a source within Illinois, and you want a refund of any taxes withheld by the state of Illinois. If you have any questions, you may access the guidelines at the following link: here

NON-RESIDENT:

If you are a nonresident, you are required to file Form IL-1040 and Schedule NR. This states you earned enough income from a source in Illinois for tax liability (income from Schedule NR, Step 5, Line 46, is greater than your Illinois exemption allowance on Schedule NR, Step 5, Line 50) and/or you want a refund of tax that were withheld in error from the state of Illinois. Note: You must have a letter of explanation from your employer. If you have any questions, you may access the guidelines at the following link: here

Website for Illinois: here