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Oklahoma Administrative Code

Part 1

General Information

Oklahoma Tax Commission

710:50-3-1Who must file an Oklahoma individual income tax return 710:50-3-2Verification of joint reports or returns 710:50-3-3Due dates; timely filing of returns 710:50-3-4Extension of time for filing returns 710:50-3-5Withholding certificate 710:50-3-6Amended returns for individuals 710:50-3-7Duplicate returns 710:50-3-8Adjustments by the Internal Revenue Service 710:50-3-9Amended Oklahoma return under federal claim of right adjustment