Oklahoma Form 511 - Imdividual Income Tax Return
Form 511 is the general income tax return for Oklahoma residents. Form 511 can be eFiled, or a paper copy can be filed via mail. We last updated the Imdividual Income Tax Return in December 1969. You can print this form directly from TaxFormFINDER.org, or download it as a PDF for editing or later use.
Oklahoma Tax Commission Source:
Oklahoma usually releases forms for the current tax year between January and April. We last updated Oklahoma Form 511 in December 1969.
For more Oklahoma tax forms, visit our Oklahoma tax forms page.