Form OW-8-ES, Oklahoma Individual Estimated Tax Coupon

Form 511-EIC, Oklahoma Earned Income Credit Worksheet

Form 511-V, Oklahoma Individual Income Tax Payment Voucher

Form 511TX, Oklahoma Credit for Tax Paid to Another State

Form 511EF, Oklahoma Individual Income Tax Declaration for Electronic Filing

Form 538-S, Oklahoma Claim for Credit or Refund of Sales Tax

Form 561-NR, Oklahoma Capital Gain Deduction for Part-Year and Nonresidents Filing Form 511NR

Form 511-NR, Oklahoma Nonresident or Part-Year Resident Income Tax Return

Form 591-D, Parental Choice Tax Credit for Qualified Homeschool Expenses

Form 592, Caring for Caregivers Tax Credit