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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.

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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.

We protect your documents and personal data by following strict security and privacy standards.
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.
To change the amount of Arizona income tax withheld, an employee must complete Arizona Form A-4 and submit to his or her employer to choose a different withholding percentage. Employees may also request to have an additional amount withheld by their employer.
Filing an Amended Withholding Return If you amend a return for a quarter in a prior calendar year, you must also file an amended Form A1-R for that year. Include the state copies of federal Forms W-2, W-2c, W-2G, and 1099 with the amended Form A1-R.
Single: W-4 Single status should be used if you are not married and have no dependents. Married: W-4 married status should be used if you are married and are filing jointly.
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.
Use the Tax Withholding Estimator on IRS. The Tax Withholding Estimator works for most employees by helping them determine whether they need to give their employer a new Form W-4. They can use their results from the estimator to help fill out the form and adjust their income tax withholding.
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%.
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%.
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.