Illinois Form Il 941 - 2024 illinois withholding income tax return instructions available at tax.illinois.gov. Mail this form and any required support to: Filing online is quick and easy! This form is required to be filed electronically. 2022 illinois withholding income tax return instructions available at tax.illinois.gov. 2024 amended illinois withholding income tax return. Follow the instructions on the mytax illinois screens and enter your tax information. 2024 tax year (for withholding taxes 01/01/2024 through 12/31/2024) 2023 tax year (for withholding taxes 01/01/2023 through 12/31/2023) 2022 tax year (for withholding taxes 01/01/2022 through 12/31/2022) 2021 tax year (for withholding taxes 01/01/2021 through 12/31/2021) Electronically file this form on mytax illinois at mytax.illinois.gov or using an idor approved tax prep software program, or. Web withholding tax forms.
Electronically file this form on mytax illinois at mytax.illinois.gov or using an idor approved tax prep software program, or. 2024 illinois withholding income tax return instructions available at tax.illinois.gov. This form is required to be filed electronically. 2024 amended illinois withholding income tax return. This form is required to be filed electronically. Web withholding tax forms. Filing online is quick and easy! This form is required to be filed electronically. 2024 tax year (for withholding taxes 01/01/2024 through 12/31/2024) 2023 tax year (for withholding taxes 01/01/2023 through 12/31/2023) 2022 tax year (for withholding taxes 01/01/2022 through 12/31/2022) 2021 tax year (for withholding taxes 01/01/2021 through 12/31/2021) 2022 illinois withholding income tax return instructions available at tax.illinois.gov. This form is required to be filed electronically. Mail this form and any required support to: Follow the instructions on the mytax illinois screens and enter your tax information.