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Federal Income Tax Withholding

The basis for withholding federal income tax is determined by the information supplied by the employee to SDSU Research Foundation on IRS Form W-4,  (PDF Format, 100 KB)* Employee’s Withholding Allowance Certificate. This form may not be submitted by employees for a retroactive period. The effective date of this form is for an entire pay period based upon SDSU Research Foundation payroll deadlines.

* Note: Documents in Portable Document Format (PDF) require Adobe Acrobat Reader 5.0 or higher to view. Download Adobe Acrobat Reader.

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