Complete and e-File 2021, 2022 Oklahoma Income State Taxes.
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Apr 18, 2022 · The 2021 Oklahoma State Income Tax Return forms for Tax Year 2021 (Jan. 1 - Dec. 31, 2021) can be e-Filed together with the IRS Income Tax Return by the April 18, 2022 deadline.If you file a tax extension you can e-File your Taxes until October 15, 2022 October 17, 2022 without a late filing penalty.However, if you owe Taxes and don't pay on time, you might …
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