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511
Last updated: 2021
511
511
2021 Oklahoma Resident Individual Income Tax Forms and Instructions
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511
Oklahoma Tax Forms
511
511CR
511NR
511TX
511V
504
538H
538S
561
561NR
574
599
OW-8-ES
OW-8-ES-SUP
OW-8-P
OW-8-P-SUP-I