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IDOR News & Updates - September 10, 2021 |
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Illinois Income Tax Act changes may require you to make or increase estimated payments to avoid penalty (Informational Bulletin FY 2022-01)
Recently enacted Illinois Income Tax Act (IITA) changes may affect current tax year liabilities for certain taxpayers.
Read Informational Bulletin FY 2022-01 for more information.
 To read other Informational Bulletins and much more, visit our website.
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