Registration with the Arizona Employment Service is required to continue receiving Unemployment Insurance (UI) Benefits. Employers withholding income tax from employees in Arizona must register their Employer Identification Number (EIN) with ADOR to file withholding returns.If you are an employer in Arizona who has recently hired an employee, you will need to register for payroll tax with the Arizona Department of Revenue. As soon as you begin business in Arizona, you must register with the Arizona Department of Economic Security (DES) and Arizona Department of Revenue (DOR). Register your business in Arizona in three easy steps. First, you'll need to visit the AZTaxes website to set up your new user account. Providing your fingerprints and associated information is voluntary; however, failure to do so may affect completion or approval of your application. Completion of this application form in no way constitutes an offer of employment. The information is required to provide the agency with information. PART A - EMPLOYER TO COMPLETE THIS SECTION. AGENCY.
