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Make edits, fill in missing information, and update formatting in US Legal Forms—just like you would in MS Word.

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

Sign and collect signatures with our SignNow integration. Send to multiple recipients, set reminders, and more. Go Premium to unlock E-Sign.

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.

We protect your documents and personal data by following strict security and privacy standards.
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%.
Federal Withholding Tax and Tax Treaties In most cases, a foreign national is subject to federal withholding tax on U.S. source income at a standard flat rate of 30%. A reduced rate, including exemption, may apply if there is a tax treaty between the foreign national's country of residence and the United States.
Due to passage of Senate Bill 1828 by the Arizona Legislature in the 2021 session, Arizona's individual income tax rates were substantially reduced starting with the 2022 tax year. The previous Form A-4 withholding rates are no longer representative of the new lower income tax rates.
PUBLIC SERVICE ANNOUNCEMENT "If you have owned a home in Maricopa County between 2015 - 2021 tax years, the treasurer's office is mailing settlement checks for the tax lawsuit, one for each year you owned the home in that range.
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.
The income tax rate in Arizona ranges from 2.55% to 2.98%. Single taxpayers and married filers encounter rates of 2.55% for income under $28,653 and 2.98% above that. Joint filers and heads of household face the same rates for income under $57,305 and 2.98% above that.
What is likely happening is that, as your paycheck size fluctuates, your employer re-calculates your estimated yearly earnings as if all your paychecks were that size, figures out your tax rate based on that estimate, and then deducts that estimate from your paycheck.
You may change the withholding amount by completing Arizona Form A-4 to change the previous withholding amount or percentage. Complete Arizona Form A-4 and provide it to your employer. Keep a copy for your records.
How we calculate the penalty. In cases of negligence or disregard of the rules or regulations, the accuracy-related penalty is 20% of the portion of the underpayment of tax that happened because of negligence or disregard.