Oklahoma | Personal Tax Extension | Form 504-I | Application for Extension of Time to File an Oklahoma Income Tax Return for Individuals

Modified on Wed, 12 Apr 2023 at 05:20 AM

State Abbreviation OK
State Name Oklahoma
Extension Status Approved with Federal Extension
Return Due Date

April 20, 2023

Extended Due Date

October 20, 2023

Other Information
  • Oklahoma grants an automatic 6 month extension provided you have been approved for a federal extension by the IRS AND no Oklahoma tax is due.
  • Be sure to attach a copy of the federal extension to the Oklahoma return when filed.
Online Payment Oklahoma | Online Tax Extension Payment
Payment Voucher Title Form 504-I, Application for Extension of Time to File an Oklahoma Income Tax Return for Individuals
State Payment Agency Oklahoma Tax Commission
Mailing Address with Payment Oklahoma Tax Commission
P.O. Box 26890
Oklahoma City, OK 73126-0890
Online Payment Options | Credit Card Taxpayers can pay electronically at https://oktap.tax.ok.gov/oktap/Web/_/ with a credit card, EFT, or e-check.
Online Payment Options | ACH Debit Taxpayers can pay electronically at https://oktap.tax.ok.gov/oktap/Web/_/ with a credit card, EFT, or e-check.
Failure to File Penalties 25% of unpaid tax.
Failure to Pay Penalties 5% of unpaid tax.

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