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February 6, 2025
Question

Oklahoma tax form 511

  • February 6, 2025
  • 1 reply
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If I paid my  oklahoma  tax on line to I have to mail in the form 511-EF also, to Oklahoma tax commission.

    1 reply

    February 6, 2025

    It's possible, if the state requires additional forms or documentation. 

     

    See the Instructions on Requirement to Mail or Retain this Form in 2024 Form 511-EF for guidance.

     

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