Get AZ Form 450 2013-2024

If you need forms, here are four easy ways: On our website. You can access forms on the website anytime here. In our lobbies. In each of our three lobbies, you will find tax booklets for your convenience to take home and use. Free Tax Return Preparation Services.

Local IRS Taxpayer Assistance Center (TAC) – The most common tax forms and instructions are available at local TACs in IRS offices throughout the country. To find the nearest IRS TAC, use the TAC Office Locator on IRS.gov.

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 option. Employees may request to have an additional amount withheld by their employer.

The Arizona Department of Revenue has announced that a revised Form A-4 applies effective January 31, 2023, to take into account the new flat tax of 2.5% effective January 1, 2023 under SB 1828. (See EY Tax Alert 2022-1645.)

Nonresidents are subject to Arizona tax on any income earned from Arizona sources. Nonresidents may also exclude income Arizona law does not tax.

The most common Arizona income tax form is the Arizona form 140. This form is used by residents who file an individual income tax return. This form should be completed after filing your federal taxes, using Form 1040. A full list of Arizona forms can be found here: https://azdor.gov/Forms.

The Internal Revenue Service (IRS) can provide you with copies of your tax return from the most recent seven tax years. You can request copies by preparing Form 4506 and attaching payment of $43 for each one. Once the IRS receives your request, it can take up to 60 days for the agency to process it.

Individuals can find all tax forms and instructions on the ADOR website or visit our local offices. Please note that the Arizona tax package and Arizona Booklet X Volumes 1, 2, and 3 are now available to download from our website. Taxpayers can also find fillable and non-fillable tax forms online.