How do I get a copy of a past return?

To obtain a copy or copies of past income tax returns or documents, please complete Form 599: Request for Copy of Income Tax Return. Once complete, mail your form and required payment to:

Oklahoma Tax Commission
Post Office Box 26920
Oklahoma City, OK 73126

The fee structure is outlined on the Form 599 dependent upon the number or years/returns you are requesting. If you have further questions about ordering copies of your past income tax returns, please contact us.

Related Link: Form 599: Request for Copy of Income Tax Return

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