Oklahoma State Individual Tax Extension Filing Instructions
578 views | Last modified 3/22/2023 3:32:08 AM EST | Added by ExpressExtension Team

Individuals residing in Oklahoma are granted an automatic 6-month extension of time to file an Oklahoma return if having an approved federal extension.

If you do not have a federal extension, or you need only an Oklahoma state tax extension, file a separate extension form on or before the due date of the return to get an automatic six-month extension of time to file an Indiana income tax return.

Extension Form To Use

Form 504-I, Application for Extension of Time to File an Oklahoma Income Tax Return.

Due Date to file Oklahoma Tax Extension 

Extension Form

Actual Due Date Extension Period
Form 504-I
 
15th day of the 4th month after the end of your tax year.  6-month extension

 

Oklahoma tax extension Filing Method (Paper/Electronic) 

It supports both Paper and Electronic Filing options.

How to pay the state tax due? 

Pay your Tax due using any of the following options:

  • Pay through check/Money Order
  • Pay online

Does ExpressExtension support this State filing?  

No, currently, we do not support this state filing. If you are looking for an e-file solution for Federal Form 4868, you can file your extension and get approval within minutes with ExpressExtension. 

Any Special Requirements?

An extension of time to file is not an extension of time to pay your tax due. You must make full payment of the properly estimated tax balance due by the actual due date of the return to obtain an extension of time to file and to avoid penalties/interests.

For more detailed information on Oklahoma state personal tax extension, click here.

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