New Mexico Payroll Tax Requirements

There are four required tax items you need in order to get set up for payroll.

Requirement Format Agency
CRS Identification Number 00-000000-00-0 (11 digits) New Mexico Taxation and Revenue Department
Filing Frequency Monthly, Quarterly, or Semi-Annually New Mexico Taxation and Revenue Department
Unemployment Insurance Account Number 0000000000 (10 digits) New Mexico Department of Workforce Solutions
Total Tax Rate X.X% New Mexico Department of Workforce Solutions

CRS Identification Number and Filing Frequency

If you are a new business, complete your online registration with the New Mexico Taxation and Revenue Department to obtain your CRS Identification Number and determine your filing frequency. Filing frequency pertains to the intervals for making withholding tax payments to the agency.

Unemployment Insurance Account Number and Tax Rates

New businesses can register online with the New Mexico Department of Workforce Solutions to acquire their UI Account Number and tax rates. The New Mexico Total Tax Rate is calculated by combining your Contribution Rate and Excess Claims Rate.

  • If you are already registered, access your CRS Identification Number and filing frequency online or refer to correspondence from the New Mexico Taxation and Revenue Department. For further assistance, reach out to the agency at 505-827-0832 or TRD-CRSHelpDesk@state.nm.us.

  • For those with an existing New Mexico UI Account Number and assigned tax rate, you can find this information online or on the Notice of Employer Contribution Rate sent by the New Mexico Department of Workforce Solutions. If your UI account number is 6 digits, prefix it with two zeros.

  • For additional assistance, contact the agency at 877-664-6984 or uitax.support@state.nm.us.

Link us as your third-party administrator to ensure we are able to complete the quarterly filings and amendments (if applicable) in a timely manner.

Steps to grant TPA

  1. Open the New Mexico Department of Workforce Solutions website.

  2. Scroll to the Log in to the Unemployment Insurance Tax & Claims System section and select Employer Login.

  3. Log in with your username and password.

  4. Go to Account Maintenance.

  5. On the left side of the screen, select Third Party Administrator (TPA) Authorization.

  6. Select New and then enter the TPA ID: [ENTER ID]

  7. Select Next.

  8. TPA Services begin date: The start date when you onboarded with our payroll system

  9. TPA Services end date: Leave this blank

  10. Assign the following roles to us:

    • Account Maintenance Update and Submit

    • Payment Update and Submission

    • Employment and Wage Detail Submission and Update

  11. Select Save to finish the process.