Arizona: How to Manage Your Employer Payroll Tax Accounts

This guide provides essential information on registering, managing, and troubleshooting both State Income Tax (SIT) and State Unemployment Insurance (SUI) accounts in Arizona.

State: Arizona (AZ) 

SIT (State Income Tax): 

• Portal Link: Arizona Department of Revenue Portal 

• Filing Frequency: Annual/Quarterly 

• New Employer Rate: Not Applicable (N/A) 

• ID # Format: 99-9999999 (FEIN) 

• Phone #: (602) 235-3381 

• New Registration Estimated Processing Time: Immediate 

• Delivery Method: Online 

SUI (State Unemployment Insurance): 

• Portal Link: Arizona Department of Economic Security 

• Filing Frequency: Quarterly 

• New Employer Rate: 2.00% 

• ID # Format: 9999999-9 

• Phone #: (602) 771-6606 

• New Registration Estimated Processing Time: 20-30 Business Days 

• Delivery Method: Mail 

Registration Process 

Just hired your first employee in a new state or local jurisdiction?
Or have you received a notice requesting tax details for a new account?

The links below will take you directly to the tax authority sites where you can register for new payroll tax accounts quickly and easily.

SIT Registration 

• Registration Link: Arizona Tax Registration 

SUI Registration 

• Registration Link: Arizona Employer Login

Third-Party Administrator (TPA) 

• TPA Required for SIT: No 

• TPA Required for SUI: No 

State taxes and forms we file 

• Payment of AZ Income Tax Withholding (A1-WP)* 

• Quarterly Withholding Tax Return (A1-QRT) 

• Withholding Reconciliation Return (A1-R) 

• Wage and Tax Statement (State W2) 
• AZ Report for New Hire 
• Unemployment Tax and Wage Report (UC-018) 
  
  

For any additional questions, please reach out to us at support@goco.io 💚

Information Updated 01.06.24