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