New Mexico
Last Updated June 18, 2026.
New Mexico employers must register for payroll withholding and unemployment insurance and comply with state reporting requirements. Use the links below to access agency resources and tax guidance.
State Tax Guidelines
New Mexico Taxation and Revenue Department – Withholding Tax
Agency Information
Add to existing company setup
Submit a request to your service team to add NM (withholding) to your company setup. Please include the below with your request:
- Withholding – Withholding account number and Deposit Frequency. If you’re unsure of your deposit frequency or account number you can call the agency at 505-827-0700.
- Power of Attorney- POA is required, please obtain the prefilled form from your client service representative.
Register a new company
New Mexico Department of Workforce Solutions – Unemployment tax
Agency Information
Add to existing company setup
Submit a request to your service team to add NMSUI (unemployment) to your company setup. Please include the below with your request:
- Unemployment – Account Number and Tax rate. 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 877-664-6984.
- Third Party Access – All clients are required to add permissions in order for us to file and pay taxes on your behalf. Please review the Third Party Registration Instructions.
Register a new company
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