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Form W-4, Employee's Withholding Allowance Certificate Instructions

Form W-4 authorizes the OSU Central Payroll Office to withhold Federal and Oregon taxes based on your filing status and withholding allowances you claim on the form. By default, the number of allowances you claim on Form W-4 for Federal is also used for the State of Oregon.

If you wish to have a different withholding allowance for Oregon, please fill out a separate Form W-4 and print "For Oregon Only" at the bottom of the W-4 certificate. A Form W-4 remains in effect until you send another one to the OSU Central Payroll Office. If you claim exempt status, you must submit a new form by February 15th each year to continue this status.

The year indicated on the form must match the year of the filing date.  The W-4 form must not be altered or appear to be altered.  Scratching out a mistake invalidates the form.  If an error is made you will need to complete a new form. 

Completed forms must be received by the OSU Central Payroll Office by the 15th of the current month.

Need Help? Follow the IRS instructions on the form, or consult with your tax preparer.

Where to send completed form

OSU Central Payroll Office / Business Affairs
In-person delivery & campus mail: 106 Kerr Administration Building

Postal mail:
OSU Central Payroll Office
Oregon State University
PO Box 1086
Corvallis, OR 97339-1086

Task expert

OSU Central Payroll Office, (541) 737-3232
paymaster@oregonstate.edu  

Revised 5/27/2010


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