Department of Revenue
Tax forms, assistance and statistics.

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illinois dept of revenue entered by user 7408902
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illinois dept of revenue entered by user 15989083
illinois dept of revenue entered by user 3297453
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illinois dept of revenue entered by user 3686626
illinois dept of revenue quarterly tax estimate forms entered by user 16874139
illinois dept of revenue reg-1 entered by user 5451502
illinois dept revenue entered by user 4350025
illinois dept. of rev entered by user 1806425
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illinois dept. of revenue entered by user 10822315
illinois dept. of revenue entered by user 2050885
illinois dept. of revenue entered by user 3233335
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illinois dept. of revenue tax forms entered by user 7218571
illinois dept.of revenue entered by user 538358
illinois e services entered by user 8920677
illinois homestead exemption entered by user 13928855
illinois ibt entered by user 1182886
illinois income tax entered by user 6931845
illinois income tax entered by user 13520462
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illinois income tax entered by user 3162216
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illinois income tax entered by user 16429120
illinois income tax entered by user 2269896
illinois income tax file online entered by user 1709577
illinois income tax form entered by user 928212
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illinois income tax form entered by user 3370442
illinois income tax forms entered by user 15032806
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illinois income tax forms entered by user 6078511
illinois income tax laws rules and regulations entered by user 11681441
illinois internal revenue entered by user 1533647
illinois internal revenue entered by user 841222
illinois irs entered by user 11999561
illinois irs entered by user 9600346
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illinois non resident tax form entered by user 15604741
illinois non-resident taxable incomes entered by user 11681441
illinois part year resident income tax laws entered by user ditto
illinois property entered by user 1086573
illinois property tax rates entered by user 6143834
illinois real estate taxes entered by user 3806783
illinois retailers withholding tax entered by user 3025128
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illinois revenue entered by user 1754281
illinois revenue entered by user 8106424
illinois revenue service entered by user 1754281
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illinois sales tax entered by user 2050885
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illinois sales tax rates entered by user 6872818
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illinois state income tax entered by user 12656859
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illinois state income tax site entered by user 11013654
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illinois state tax entered by user 18682381
illinois state tax entered by user 7560839
illinois state tax forms entered by user 14850549
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illinois state tax returns entered by user 1754281
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illinois state taxes entered by user 8297170
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illinois tax entered by user 11891104
illinois tax filing entered by user 8211393
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illinois tax form entered by user 17382794
illinois tax form entered by user 9594740
illinois tax forms entered by user 5737278
illinois tax forms entered by user 17382794
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illinois tax forms entered by user 15864189
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illinois tax forms entered by user 5152927