Arizona Department of Revenue – Withholding Tax
Arizona Department of Economic Security – Unemployment tax
Add to existing company setup
Submit a request to your service team to add AZ (withholding) and/or AZSUI (unemployment) to your company setup. Please include the below with your request:
- Withholding – Deposit Frequency and Account number. If you’re unsure of your deposit frequency or account number, you can call the agency at 602-255-3381.
- Unemployment – Tax rate and Account number. This can be found on a Tax Rate Notice or the Quarterly contribution report. If you’re unsure of your tax rate or account number, you can call the agency at 602-771-6602.
- Power of Attorney- POA is required, please obtain the prefilled form from your client service representative.
Register a new company
Arizona Department of Revenue and Arizona Department of Economic Security
Visit https://www.aztaxes.gov/Home/Page and select License a New Business.
Follow the prompts to complete the registration. Both tax agencies process your application separately, and each agency will notify you once the processing is complete, which can take 2-3 weeks.
Third Party Registration and/or Power of Attorney Instructions
Power of Attorney is required, please obtain the prefilled form from your client service representative.