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Effective on or after January 1, 2020, every newly‐hired employee is required to provide a completed Form WT‐4 to each of their employers. Form WT‐4 will be used by your employer to determine the amount of Wisconsin income tax to be withheld from your paychecks.
Withholding Tax Forms. Note: For fill-in forms to work properly, you must have free Adobe Reader software on your computer. To obtain free Adobe Reader software, please visit Adobe's website and download the latest version. Download the forms from this webpage to your computer for the best user experience.
Form WT‑4 (or federal Form W‑4 if a Form WT‑4 is not filed) will be used by your employer to determine the amount of Wisconsin income tax to be withheld from your paychecks.
Download the forms from this webpage to your computer for the best user experience. If you have questions about our fill-in forms, please refer to our instructions. This option will not electronically file your form. Visit the Prior Year Income Tax Forms webpage. .
WHO MUST FILE: Every Employee is required to file a completed Form WT-4 with each of his or her employers unless the Employee claims the same number of withholding exemp-tions for Wisconsin withholding tax purpose as for federal withholding tax purpose.
Form WT-4 (or federal Form W-4 if a Form WT-4 is not filed) will be used by your employer to determine the amount of Wisconsin income tax to be withheld from your paychecks.
Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. If too little is withheld, you will generally owe tax when you file your tax return and may owe a penalty. If too much is withheld, you will generally be due a refund.
