Oklahoma Tax Commission Form Packets & Instructions
- 511-nr-pkt 2025 Form 511-NR Oklahoma Nonresident/Part-Year Income Tax Return Packet & Instructions
- 511-pkt 2025 Form 511 Oklahoma Individual Income Tax Return Packet & Instructions
- 512-pkt 2025 Form 512 Oklahoma Corporation Income Tax Return Packet & Instructions
- 512-s-pkt 2025 Form 512-S Oklahoma Small Business Corporation Income Tax Return Packet & Instructions
- 513-nr-pkt 2025 Form 513-NR Oklahoma Nonresident Fiduciary Income Tax Return Packet & Instructions
- 513-pkt 2025 Form 513 Oklahoma Resident Fiduciary Income Tax Return Packet & Instructions
- 514-pkt 2025 Form 514 Oklahoma Partnership Income Tax Return Packet & Instructions (incl. 514-PT composite supplement)
- 586 2025 Form 586 Oklahoma Pass-Through Entity Election Form
- 587-pte 2025 Form 587-PTE Oklahoma Pass-Through Entity Tax Supplement
- 587-pte-sup 2025 Form 587-PTE-SUP Supplemental Schedule for Form 587-PTE
- ow-2-tables 2026 Packet OW-2 Oklahoma Income Tax Withholding Tables
- ow-8-es Form OW-8-ES Oklahoma Individual Estimated Tax Worksheet & Vouchers
- packet-a Packet A Oklahoma Business Registration Instructions
- sts-20021 Form STS-20021 Oklahoma Sales Tax Return Supplement