Arizona Payroll Tax Registration

Congratulations on hiring an employee in Arizona! To ensure compliance with state regulations, it is essential to understand the process of payroll tax registration in Arizona, which involves registering with the Arizona Department of Revenue (ADOR) and obtaining an Employer Identification Number (EIN) from the Internal Revenue Service (IRS).

How Arizona Payroll Registration Works

There are 2 payroll tax setup tasks you may need to complete in Arizona to get your new hire on payroll for the first time. You can follow the guide below to help you get registered directly with the Arizona agencies or use Mosey to do it.

Use Mosey to register for payroll tax in Arizona.

Arizona Withholding Tax Setup

If you have employees in Arizona, you must register to collect and remit Personal Income Tax Withholdings to the state with the Joint Tax Application for a TPT License (Form JT-1). Note: When registering a new business for Personal Income Tax Withholding, you can also register for Unemployment Insurance at the same time.

  1. Register for an AZTaxes Account

    Create an account on

  2. Register for Personal Income Tax Withholdings

    Log into to register for Personal Income Tax Withholdings.

Arizona Unemployment Insurance Setup

Generally, employers are required to setup Unemployment Insurance tax if they paid $1,500 or more in wages during a calendar quarter or employed at least one worker for some part of a day in each of 20 different weeks in a calendar year. Employers may also be required to pay Unemployment Insurance tax if they are required to pay Federal Unemployment Tax because they employed individuals in any other state or for any other reason. Note: When registering a new business for Unemployment Insurance you can also register for Income Tax Withholding at the same time.

  1. Register for an AZTaxes Account

    If you haven't already done so, create an AZTaxes account.

  2. Register for Unemployment Insurance Tax

    Log into to register for Unemployment Insurance tax.

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