Chapter 50 - Income
- Subchapter 1 - General Provisions (§§ 710:50-1-1 — 710:50-1-7)
- Subchapter 3 - Returns and Reports (§§ 710:50-3-1 — 710:50-3-65)
- Subchapter 5 - Audit and Assessment (§§ 710:50-5-1 — 710:50-5-13)
- Subchapter 7 - Remittances (§§ 710:50-7-1 — 710:50-7-2)
- Subchapter 9 - Refunds (§§ 710:50-9-1 — 710:50-9-10)
- Subchapter 11 - Intercept of Refunds (§§ 710:50-11-1 — 710:50-11-12)
- Subchapter 12 - Treasury Offset Program (§§ 710:50-12-1 — 710:50-12-7)
- Subchapter 13 - Estimated Tax (§§ 710:50-13-1 — 710:50-13-10)
- Subchapter 15 - Oklahoma Taxable Income (§§ 710:50-15-1 — 710:50-15-119)
- Subchapter 17 - Oklahoma Taxable Income for Corporations (§§ 710:50-17-1 — 710:50-17-71)
- Subchapter 19 - Oklahoma Taxable Income for Partnerships (§§ 710:50-19-1 — 710:50-19-5)
- Subchapter 20 - Limited Liability Companies (§ 710:50-20-1)
- Subchapter 21 - Oklahoma Taxable Income for "S" Corporations (§§ 710:50-21-1 — 710:50-21-4)
- Subchapter 23 - Fiduciary Reporting (§§ 710:50-23-1 — 710:50-23-2)
- Subchapter 25 - Bankruptcy (§ 710:50-25-1)
- Subchapter 27 - Banks and Credit Unions (§ 710:50-27-1)
- Appendix A - Computation of Tax Accrual When Tax Credits are Allowable
- Appendix B - Computation of Oklahoma Net Operating Loss Schedule A [Revoked]
- Appendix C - Computation of Oklahoma Net Operating Loss Schedule B [Revoked]
- Appendix D - Oklahoma Net Operating Loss Schedule C Worksheet [Revoked]
- Appendix E - Computation of Adjustment for Expenses Allocated to Nontaxable Income [NEW]