Oklahoma State - Supported Tax Forms & Schedules
- OK 511—Resident Income Tax Return
- OK 511NR—State of Oklahoma Income Tax Return
- OK 511 EIC—Oklahoma Earned Income Credit Worksheet
- OK 511CR—Other Credits
- OK 511TX—Credit for Tax Paid to Another State
- OK 504-I—Application for Extension of Time to File an Oklahoma Income Tax Return for Individuals
- OK 500A—Information Return
- OK 500B—Information Return Report of Nonresident Member Income Tax Withheld
- OK 506—Investment / New Jobs Credit
- OK 538S—Claim for Credit and Refund of Sales Tax
- OK 538H—Oklahoma Claim for Credit or Refund of Property tax
- OK 561/561NR—Oklahoma Capital Gain Deduction
- OK 564—Credit for Employees in the Aerospace Sector
- OK 565—Credits for Employers in the Aerospace Sector
- OK 566—Credits for Qualified Software or Cybersecurity Employees
- OK 567A—Credit for Investment in Clean-Burning Motor Vehicle Fuel Property
- OK 573—Farm Income Averaging
- OK 576—Natural Disaster Tax Credit
- OK 578—Refundable Credit for Electricity Generated by Zero-Emission Facilities
- OK 579—Electric Vehicle Charging Tax Credit
- OK 584—Credit for Employees in the Vehicle Manufacturing Industry
- OK 585—Credits for Employers in the Vehicle Manufacturing Industry
- OK 591D—Parental Choice Tax Credit for Qualified Homeschool Expenses
- OK 592—Caring for Caregivers Tax Credit
- OK OW-8-ES—Oklahoma Individual Estimated Tax
- OK OW-8-P—Underpayment of Estimated Tax Worksheet
- OK OW-8-P-SUP-I—Annualized Income Installment Method for Individuals
- OK 511V—Individual Income Tax Payment Voucher
- OK 511—Resident Income Tax Return
- OK 511NR—State of Oklahoma Income Tax Return
- OK 511 EIC—Oklahoma Earned Income Credit Worksheet
- OK 511CR—Other Credits
- OK 511TX—Credit for Tax Paid to Another State
- OK 504-I—Application for Extension of Time to File an Oklahoma Income Tax Return for Individuals
- OK 500A—Information Return
- OK 500B—Information Return Report of Nonresident Member Income Tax Withheld
- OK 506—Investment / New Jobs Credit
- OK 538S—Claim for Credit and Refund of Sales Tax
- OK 538H—Oklahoma Claim for Credit or Refund of Property tax
- OK 561/561NR—Oklahoma Capital Gain Deduction
- OK 564—Credit for Employees in the Aerospace Sector
- OK 565—Credits for Employers in the Aerospace Sector
- OK 566—Credits for Qualified Software or Cybersecurity Employees
- OK 567A—Credit for Investment in Clean-Burning Motor Vehicle Fuel Property
- OK 573—Farm Income Averaging
- OK 576—Natural Disaster Tax Credit
- OK 578—Refundable Credit for Electricity Generated by Zero-Emission Facilities
- OK 579—Electric Vehicle Charging Tax Credit
- OK 584—Credit for Employees in the Vehicle Manufacturing Industry
- OK 585—Credits for Employers in the Vehicle Manufacturing Industry
- OK 591D—Parental Choice Tax Credit for Qualified Homeschool Expenses
- OK 592—Caring for Caregivers Tax Credit
- OK OW-8-ES—Oklahoma Individual Estimated Tax
- OK OW-8-P—Underpayment of Estimated Tax Worksheet
- OK OW-8-P-SUP-I—Annualized Income Installment Method for Individuals
- OK 511V—Individual Income Tax Payment Voucher
