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).
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. DETR refers to this access as the ESS Agent.
Register a New Business
- Go to the NUI Employer Self Service.
- Under the Registration Section, select Register New Business for Unemployment Insurance.
- Complete the registration process.
- When you arrive to the Third-Party Administrator (TPA) screen, enter Paychex’s FEIN, 16-1124166.
- 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.
- NV SUI Account Number can be in the following format: XXXXXXXXX (9 Digits)
- Authorize Paychex as your Third-Party Administrator.
- See Designating Paychex as Your Third-Party Administrator (TPA) for instructions.
- Enter your new account numbers in Paychex Flex to ensure your account is updated and email your registration and TPA confirmation documents to your Paychex Service Professional.
Designating Paychex as Your Third-Party Administrator (TPA)
DETR requires Professional Employer Organization (PEO) entities operating under a co-employment agreement to provide separate registration instructions from those required for Non-PEO employers.
Please contact your Paychex Service Professional to confirm whether you should follow the PEO or Non-PEO Employer instructions and use the appropriate registration instructions outlined below.
PEO Employers:
- Go to NUI Employer Self Service and enter your user ID and password.
- From the Employer Summary screen, click the More tab.
- From the Access Management tile, select Manage Third Party Access.
- Select Next on the information page.
- 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
- Appeals
- Review the Summary Page and click Submit.
- Print the Confirmation page for your records and email a copy to your Paychex Service Representative as confirmation.
Non-PEO Employers:
There are two ways to assign TPA access to Paychex:
- 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.
- 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:
- Go to NUI Employer Self Service and enter your user ID and password.
- From the Employer Summary screen, click the More tab.
- From the Access Management tile, select Manage Third Party Access.
- Select Next on the information page.
- 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
- Review the Summary Page and click Submit.
- Print the Confirmation page for your records and email a copy to your Paychex Service Representative as confirmation.
Requested by Paychex:
- Go to NUI Employer Self Service and enter your user ID and password.
- Click the Action Center tab and select the Respond to a Third Party Access Request link.
- On the Grant Third Party Access Request screen, select Yes.
- Confirm that the following options are selected:
- Tax with File Returns and Make Payments Access Level.
- Benefits
- Click Submit.
Additional resources
NV Modified Business Tax (MBT) Registration
Employers are required to have an active Nevada Modified Business Tax (MBT) identification number to file electronically with the Nevada (NV) Department of Taxation (DOT).
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.
Register a New Business
Once the online registration process for the NV SUI account is complete, DETR will forward the employer application information to the MBT department. The MBT department may contact you to finish the MBT registration process.
- NV MBT Account Number can be in the following format: MBT- 0000-XXXX-XXXX (12 Digits)
Once you have received your MBT account number, authorize Paychex as your Third-Party Administrator. See Designating Paychex as Your Third-Party Administrator (TPA) for instructions.
Designating Paychex as Your Third-Party Administrator (TPA)
NV DOT requires Professional Employer Organization (PEO) entities operating under a co-employment agreement to provide separate registration instructions from those required for non-PEO employers.
Please contact your Paychex Service Professional to confirm whether you should follow the PEO or Non-PEO Employer instructions and use the appropriate registration instructions outlined below.
Non-PEO Employers:
- Complete and notarize the MBT Power of Attorney (POA) form.
- Email your registration confirmation document and POA form to your Paychex Service Professional.
PEO Employers:
- Complete and notarize the MBT Power of Attorney (POA) form.
- Email your registration confirmation document and POA form to your Paychex Service Professional.
Finding an Existing ID
If you have a Nevada MBT ID but aren’t sure what it is, you should be able to find it on:
- Online My Nevada Tax account.
- Any correspondence from the MBT department of Nevada DOT.
- Previously filed returns.
Additional Resources