The Arizona State Agency that oversees the collection and reporting of State income taxes deducted from payroll checks is: Department of Revenue 1600 W. Monroe St. P.O. Box 29009 Phoenix, AZ 85038-9009 602-255-2060 or 800-843-7196 http://www.revenue.state.az.us/#WithholdingTax Arizona requires that you use Arizona form “A-4, Employee’s Arizona Withholding Percentage Election” instead of a Federal W-4 Form […]