Illinois State Tax Extension Form - 2024 estimated income tax payments for individuals. Pay all or some of your illinois income taxes online via: Request certain forms from idor. Use this form for payments that are due on april 18, 2023, june 15, 2023, september 15, 2023, and january 16,. 2022 individual income tax forms. Use this form for payments that are due on april 15, 2024, june. If you receive a federal extension of more than six months, you are.
Pay all or some of your illinois income taxes online via: If you receive a federal extension of more than six months, you are. Use this form for payments that are due on april 18, 2023, june 15, 2023, september 15, 2023, and january 16,. Use this form for payments that are due on april 15, 2024, june. Request certain forms from idor. 2024 estimated income tax payments for individuals. 2022 individual income tax forms.