Nevada Compliance and Regulatory Resources

State Unemployment Insurance (SUI) Registration

Employers are required to have an active Nevada state unemployment insurance (SUI) identification number to file electronically with the Nevada (NV) Department of Employment, Training and Rehabilitation (DETR).

Modified Business Tax (MBT)

For Paychex to remit payments and returns for NV MBT, your Nevada SUI account must be registered with the agency and live on the Taxpay® service. Paychex can’t remit MBT returns on your behalf to the Nevada until this error is resolved.”

Paychex must be authorized as the Third- Party Administrator (TPA) on the account to view account information, adjust previously filed returns, and receive rates for an active account. See Designating Paychex as Your Third-Party Administrator (TPA) for instructions for registering Paychex as the TPA.

New Business Registration

1. Go to the NUI Employer Self Service.
2. Under the Registration Section, select Register New Business for Unemployment Insurance.
3. Complete the registration process.
   • When you arrive to the Third-Party Administrator (TPA) screen, enter Paychex’s FEIN, 16-1124166.
4. The system will provide you with a Registration Summary page when the registration process is complete.
   • Save or print a copy for yourself and email a copy of the Registration Summary page to your Paychex Service Representative to ensure that your Paychex account is up to date.
   • We can also assist with remitting any missing returns and payments.

Designating Paychex as Your Third-Party Administrator (TPA)

There are two ways to assign TPA access to Paychex:

1. Assigned by Employer – If you haven’t received notification from NSUI Employer Self Service or Paychex, please use the Assigned By Employer instructions for granting access.
2. Requested by Paychex – If you have received notification from NSUI Employer Self Service or Paychex, please refer to the Approving TPA Request instructions.

Assigned By Employer:

1. Go to NUI Employer Self Service and enter your user ID and password.
   • First time to the new site? Refer to the Established Employer Creates Login video for assistance.
   • You can also refer to the Assigns Access to Third Party Agent (TPA) video for assistance with the TPA process.
2. From the Employer Summary screen, click the More tab.
3. From the Access Management tile, select Manage Third Party Access.
4. Select Next on the information page.
5. On the Grant Third Party Access screen, enter the following information:
   • Third Party Administrator's Email: agencycompliance@paychex.com
   • Check the boxes for the following TPA Responsibilities:
     • Tax and select File Returns and Make Payments Access Level.
     • Benefits
6. Review the Summary Page and click Submit.
7. Print the Confirmation page for your records and email a copy to your Paychex Service Representative as confirmation.

Requested by Paychex:

1. Go to NUI Employer Self Service and enter your user ID and password.
   • First time to the new site? Refer to the Established Employer Creates Login video for assistance.
   • You can also refer to the Assigns Access to Third Party Agent (TPA) video for assistance with the TPA process.
2. Click the Action Center tab and select the Respond to a Third Party Access Request link.
3. On the Grant Third Party Access Request screen, select Yes.
4. Confirm that the following options are selected:
   • Tax with File Returns and Make Payments Access Level.
   • Benefits
5. Click Submit.

Pro tip

• ESS Agent can also be referred to as TPA (third-party administrator).

Additional resources

• NUI Contact Information
• Guide to Online Employer Self Service
• NUI Videos