Solved
How do I file for an Illinois state extension?
No text available
Illinois (IL) automatically grants a 6-month extension to October 15. If you owe them taxes, submit payment by April 15 to avoid penalties. You can either mail a check along with Form IL-501-I or pay online at MyTax Illinois.
Get answers to all your tax questions
Our experts are available on-demand, no appointment needed. Get help all year long with TurboTax Expert Assist.
Explore your optionsEnter your E-mail address. We'll send you an e-mail with instructions to reset your password.
©1997-2026 Intuit, Inc. All rights reserved.
Intuit, QuickBooks, QB, TurboTax, Credit Karma, and Mailchimp are registered trademarks of Intuit Inc. Terms and conditions, features, support, pricing, and service options subject to change without notice.
Security Certification of the TurboTax Online application has been performed by C-Level Security.
By accessing and using this page you agree to the Terms of Use.
© 2026 Intuit Canada ULC or its affiliated companies. All rights reserved. Intuit, QuickBooks, QB, TurboTax and ProFile are registered trademarks of Intuit Inc. Terms and conditions, features, support, pricing, and service options subject to change without notice.
Copyright © Intuit Canada ULC, 2026. All rights reserved.
© 2026, Entreprises Intuit Canada ULC ou ses sociétés affiliées. Tous droits réservés. Intuit, QuickBooks, QB, TurboImpôt et ProFile sont des marques déposées d’Intuit Inc. Les modalités, prix, fonctions et options de service et de soutien peuvent changer sans préavis.
© 2026, Entreprises Intuit Canada ULC. Tous droits réservés.