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Oklahoma Individual Income Tax Filing deadlines and extensions for 2024.
If you are a tax professional working with clients who are residents or have been involved in significant business operations within Oklahoma, then you might need to file Oklahoma State Taxes on their behalf. We look at the most important tax deadlines and tax extensions for Oklahoma in 2024.
Oklahoma Individual Income Tax Filing deadlines and extensions for 2024.
If you are a resident or have been involved in significant business operations within Oklahoma, then you might be required to file Oklahoma State Taxes. We look at the most important tax deadlines and tax extensions for Oklahoma in 2024.
You must file & pay Corporate Income Taxes in Oklahoma by May 15, 2025.
You must send payment for taxes in Oklahoma for the fiscal year 2024 by May 15, 2025.
The Extension Deadline is December 15, 2025, to file your Oklahoma corporate income tax return.
Oklahoma automatically grants seven months extension on filing corporate income tax returns if a federal extension is filed. This means you do not need to file for an extension in Oklahoma. If your federal return is not extended, or an Oklahoma liability is owed, an extension of time to file your Oklahoma return may be granted on Form 504-C. The Form 504-C must be filed on or before the due date of the return.
This is an extension to FILE, not an extension to PAY – payment is still due May 15, 2025.
You must file in Oklahoma by March 15, 2025.
You must send a payment for taxes in Oklahoma for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Oklahoma S Corporation or Partnership income tax return.
Oklahoma automatically grants six months extensions on filing pass-through entity income tax returns if the federal extension is filed. This means you do not need to file for an extension in Oklahoma. If your federal return is not extended, or an Oklahoma liability is owed, an extension of time to file your Oklahoma return may be granted on Form 504-C.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Estimated tax payments are made:
See Form OW-8-ES instructions for the amount to pay with each voucher.
You must file & pay Individual Income Taxes in Oklahoma by April 15, 2025.
You must send payment for taxes in Oklahoma for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Oklahoma Individual Income tax return.
Oklahoma will automatically grant a 6-month extension on filing personal income taxes if a federal extension is filed. This means you do not need to file for an extension in Oklahoma if you file a federal extension. If you do NOT file a federal extension, file Form 504-I.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Oklahoma does not have an Estate Tax.
If at least 2/3 of your gross income for the taxable year is derived from farming, you may pay the estimated tax at any time on or before January 15, 2025. If you wait until January 15, 2025, you must pay the entire balance of the estimated tax. However, if farmers file their tax return on or before March 1, 2025, and pay the total tax at that time, they need not file estimated tax.
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The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
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