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Download a copy, print it, send it by email, or mail it via USPS—whatever works best for your next step.

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If this form requires notarization, complete it online through a secure video call—no need to meet a notary in person or wait for an appointment.

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If you as the new employee fails to complete Arizona Form A-4 within 5 days of hire, the employer must withhold Arizona income tax at the rate of 2.0% until you elects a different withholding rate. To elect an Arizona withholding percentage, an employee must complete Arizona Form A-4, and submit it to their employer.
Arizona issued an updated withholding certificate, A-4, to reflect its lower individual income tax rates. The lower rates range from 0.5%-3.5%, with the familiar options to withhold 0% or add additional withholding. All employers are mandated to provide this form to their Arizona employees by January 31, 2023.
Arizona has a flat 2.50 percent individual income tax rate. Arizona has a 4.9 percent corporate income tax rate. Arizona also has a 5.6 percent state sales tax rate and an average combined state and local sales tax rate of 8.38 percent.
Withholding Percentage Options Keep in mind for tax year 2023 and beyond, the tax rate for Arizona taxable income is 2.5%.
If you make this election, your employer will not withhold Arizona income tax from your wages for payroll periods beginning after the date you file the form. Zero withholding does not relieve you from paying Arizona income taxes that might be due at the time you file your Arizona income tax return.
Note: Under-withholding can result in you owing tax and/or underpayment penalties when you file your Arizona return at the end of the year. For tax year 2023 and beyond, the tax rate for Arizona taxable income is 2.5%.
Arizona also allows exemptions for the following: The taxpayer or their spouse is blind. The taxpayer or their spouse is 65 years old or older.
Arizona issued an updated withholding certificate, A-4, to reflect its lower individual income tax rates. The lower rates range from 0.5%-3.5%, with the familiar options to withhold 0% or add additional withholding. All employers are mandated to provide this form to their Arizona employees by January 31, 2023.
§ 43-1023(C). To claim this exemption, the parent or grandparent must be at least 65 years old during the taxable year and must require assistance with two or more of the specified categories of activities of daily living.
To register for both an income tax withholding account with the Department of Revenue and an unemployment insurance account with the Department of Economic Security, the employer will need to complete the JT-1 application on AZTaxes or complete the form and return the completed form to the department.