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Do I have to register with Illinois to file IL-1040 tax returns electronically through the Modernized e-File (MeF) program?

Electronic Return Originators (EROs), Authorized IRS e-file Providers, and Transmitter businesses are not required to submit a separate Illinois enrollment application for authorization to file Illinois Individual Income Tax returns electronically through the MeF program. E-file providers approved in the IRS Electronic Filing Program are automatically enrolled in the Illinois program.

You may access additional information by searching the entire Illinois Department of Revenue website.

If you have additional inquiries, you may submit them on the Questions, Comments, or Requests form.