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  • Illinois Income Tax
    Illinois Income Tax
    1 217 782 3336
    101 W Jefferson St, 62702  Springfield

    To maximize collections of revenues for the state of Illinois; ensure the integrity of the state's wagering activities; and effectively regulate the manufacture, distribution and sale of alcoholic beverages; all in a manner that promotes fair and consistent enforcement of state laws.

  • the Illinois Department of Revenue
    the Illinois Department of Revenue
    217.782.3804
    101 W Jefferson St, 62702-5145  Springfield

    Opt-out Information If your client refuses to allow you to electronically file their return, you can remain in compliance with the mandate by having your client complete and sign Form IL-8948, Electronic Filing Opt-Out Declaration. Retain all Forms IL-8948 you receive from your clients in your file…