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Is the IL 505 B payment automatic extension?

Form IL-505-B, Automatic Extension Payment, provides taxpayers who are unable to file their return by the due date, a means of calculating and remitting their tentative tax liability on or before the original due date of the return (see When should I file and pay?).

Does Illinois have automatic tax extension?

The original due date to file and pay Illinois individual income tax for calendar year filers is April 15, 2024. We grant an automatic six-month extension of time to file your return. If you receive a federal extension of more than six months, you are automatically allowed that extension for Illinois.

How do I pay my Illinois tax extension?

Visit mytax.illinois.gov to electronically pay. If you prefer to pay the amount of tentative tax you owe on your Form IL-1040, Individual Income Tax Return, by mail, complete the IL-505-I at the bottom of this page and send it, along with your payment, to the address on the voucher.

How do I pay my IL-1040 ES?

Online Visit our website at mytax.illinois.gov to have your payment taken from your checking or savings account. You will need your IL-PIN (Illinois Personal Identification Number). Credit Card Use your MasterCard, Discover, American Express, or Visa. The credit card service provider will assess a convenience fee.