Payroll Arizona, Unique Aspects of Arizona Payroll Law and Practice
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
www.revenue.state.az.us/#WithholdingTax
Arizona requires that you use Arizona form A-4, Employees Arizona Withholding Percentage Election instead of a Federal W-4 Form for Arizona State Income Tax Withholding.
Not all states allow salary reductions made under Section 125 cafeteria plans or 401(k) to be treated in the same manner as the IRS code allows. In Arizona cafeteria plans and 401(k)s are not taxable for income tax calculation and are not taxable for unemployment purposes.
There is no provision in Arizona payroll law concerning supplemental wage tax rates.
You may file your Arizona State W-2s by magnetic media if you choose to.
The Arizona State Unemployment Insurance Agency is:
Department of Economic Security
Unemployment Tax Division
P.O. Box 6028
SAT Code 911B