You can file a new Form W-4 anytime your tax situation changes and you choose to have more or less tax withheld.
Helpful tools
Click here to use a W-4 Withholding calculator provided by the IRS
Federal & State Withholding
Go online to Bronco Hub to file or make changes to your W-4.
Instructions on How to View/Update Withholdings
Paper W-4 Forms
Click here for a Federal paper W-4 form
Click here for a paper Idaho W-4 form
Return paper W-4 forms to the Human Resources Payroll Team at Mail Stop 1265.