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Understanding Your W-4 Form

Employees fill out a W-4 form to let employers know how much tax to withhold from their paycheck based on filing status, dependents, anticipated tax credits and deductions, etc. If you don't fill it out correctly, you may end up owing taxes when you file your return.

 

U.S. Citizens & Resident Non-Citizens Federal & State Withholding Forms

  • Federal Withholding

    U.S. Citizens and Resident Non-Citizen Federal withholding will default to Single marital status and no deductions. A different marital status can be set up online via self-service as follows:

    1. Log in to Employee Self Service
    2. Select Tax Forms
    3. Select W-4 Employee's Withholding Allowance Certificate
    4. It is strongly suggested that employees use the IRS Tax Withholding Estimator, which can be accessed by clicking on the “Vendor Web Site” link at the bottom right of the screen, to help estimate whether the amount withheld is sufficient.
    5. Select Update (at the bottom of the screen)
    6. Enter the date you want the change to be effective (subject to limitations based on the payroll processing schedule).
    7. Use the dropdown box labeled “filing status” to indicate your filing status.
    8. The “Under Age 17 Amount” is a dollar amount based on $2000 per dependent claimed. Do not enter the number of dependents (1, 2, 3, etc).
    9. The “Above Age 17 Amount” is a dollar amount based on $500 per dependent claimed. Do not enter the number of dependents (1, 2, 3, etc).
    10. Dependent Amount – it is critical that the total of the “Under Age 17 Amount” and the “Above Age 17 Amount” be correctly entered here. If the total isn’t entered by the user, there won’t be an adjustment.
    11. Users are responsible for entering accurate information. Oklahoma State University is not responsible for any taxes owed or fines that might be incurred due to inaccurate information.
  • State Withholding - Job Location In Oklahoma

    U.S. Citizens and Resident Non-Citizens will default to Oklahoma state tax withholding, Single marital status and 0 allowances.

     

    Marital status and/or number of allowances can be changed by completing the Oklahoma Employee’s Withholding Allowance Certificate form. This form is on the Payroll Services website under Payroll Tax Withholding Forms.

     

    Print, sign and e-mail (encrypted) the completed form to OSU Payroll Services or deliver/mail the form to 409 Whitehurst, Stillwater, OK 74078.

     

    Visit e-mail IT FAQ's for more information about encrypting your e-mail communications.  

  • State Withholding - Job Location Outside Oklahoma

    If you work and live outside of Oklahoma (wages are earned outside Oklahoma), complete the OSU Out of State Job Location State Tax Withholding Form.

    This form is on the Payroll Services website under Payroll Tax Withholding Forms.


    Print, sign and e-mail (Social Security Number is not on this form so it does not need to be sent encrypted) the
    completed form to OSU Payroll Services or deliver/mail the form to the Payroll Services office at 409 Whitehurst, Stillwater, OK 74078.


    If a specific form is required by your state, OSU Payroll Services will provide it via e-mail to be completed. Until the
    required form is received, state taxes will be withheld at the highest withholding rate for your state. You can
    also go to your state’s website, download, complete and submit the form.

     

    No taxes are withheld if your state does not assess taxes on wages.

  • Nonresident Non-Citizen Federal & State Withholding Forms

    All Nonresident Non-Citizen must make an appointment with the ISS Office on the OSU-Stillwater campus to complete your withholding and Work Permit forms.


    Oklahoma State University
    Office of International Students and Scholars
    309 Wes Watkins Center
    405.744.8117
    iss.okstate.edu

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