You may be exempt from withholding if you do business in Utah for 60 days or less during a calendar year. Advance approval from the Tax Commission is required.Utah does not require employees to complete a state W-4 form. ▷ Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. ▷ Give Form W-4 to your employer. Employee: Give this form to your employer and keep a copy for your records. Remember to review this form once a year and update it if needed. Employees who work in a locality with state income tax must fill out a withholding form. Learn which state W-4 form your employees must use. Part 1 – Complete this part to compute your withholding allowances for New York State and Yonkers (line 1).