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File a Business Tax Return

File Using MyTax Illinois

MyTax Illinois is a centralized location on our website where taxpayers may register a new business or electronically file tax returns, make payments, and manage their tax accounts.

Bulk/Other Filing Methods

Business Income Tax

Excise/Misc. Taxes

Motor Fuel/IFTA

Sales & Use Taxes


Note: Electronic filing of the W-2, W-2c, and W-2G, is mandatory (1099-K in some situations).