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Oklahoma tax forms on efile.com
- Form OW-8-ES, Individual Estimated Tax
- Form OW-8-P, Underpayment of Estimated Tax
- Form 507, Statement of Person Claiming an Income Tax Refund Due a Deceased Taxpayer
- Form 511, Income Tax Return
- Schedule 511-A, Oklahoma Subtractions
- Schedule 511-B, Oklahoma Additions
- Schedule 511-C, Oklahoma Adjustments
- Schedule 511-D, Deductions and Exemptions Computation Worksheet
- Schedule 511-E, Child Care Credit Computation Worksheet
- Form 511EF, Individual Income Tax Declaration for Electronic Filing
- Form 511EF-V, Individual Income Tax Payment Voucher
- Schedule 511-F, Earned Income Credit Computation Worksheet
- Schedule 511-G, Donations from Refund
- Form 511-TX, Credit for Tax Paid to Another State
- Form 538-H, Oklahoma Claim for Credit or Refund of Property Tax
- Form 538-S, Oklahoma Claim for Credit or Refund of Sales Tax
- Form 561, Oklahoma Capital Gain Deduction
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