Yes. Public Act 100-303 provided new electronic filing requirements for
Illinois withholding income tax. Effective January 1, 2018, Form IL-941 is required to be filed electronically. If you are unable to file
electronically, you may request a waiver by submitting a Waiver Request form,
IL-900-EW. You may contact our Taxpayer Assistance Division at 1 800 732-8866
or 217 782-3336 to request an IL-900-EW.