Withholding Registration
All Taxpay® clients are required to have an active North Carolina Withholding Tax account number to file electronically with the North Carolina Department of Revenue (NCDOR).This can also be referred to as the Account ID.
Paychex must also be authorized as the Third-Party Administrator (TPA) on the account for filing quarterly returns, remitting payments as well as making any adjustments to returns and payments on your behalf.
Register a New Business
- Visit the Business Registration site, review the information, and click the Register Your Business Electronically button.
- Complete the steps for the registration.
- The Withholding Tax account number will be available immediately on the Confirmation Page.
- NC Withholding Account Number format: XXXXXXXXX (9 Digits)
- See the Designating Paychex as Your Third-Party Administrator (TPA) section for instructions for assigning Paychex as the TPA for your account to submit quarterly returns and payments on your behalf.
- Enter your new account number in your Paychex Flex® account and email your NC Withholding Account Number and Power of Attorney (POA) form to your Paychex Service Professional.
- Refer to Updating Tax IDs for instructions on how to update the information in the application.
Designating Paychex as Your Third-Party Administrator (TPA)
- Complete the Power of Attorney (POA) form.
- Email a copy of the NC Registration Confirmation Page and POA form to your Paychex Service Professional.
Finding an Existing ID
If you have a North Carolina withholding ID but aren’t sure what it is, you should be able to find it on:
- Any correspondence from the NC Department of Revenue.
- Previously filed returns.
Additional Resources
State Unemployment Insurance (SUI) Registration
All Taxpay® clients are required to have an active North Carolina Unemployment Insurance account number to file electronically with the North Carolina Department Employment Security(NCDES). This can also be referred to as the Employer ID Number (ERN).
Paychex must also be authorized as the Third-Party Administrator (TPA) on the account for filing quarterly returns, remitting payments as well as making any adjustments to returns and payments on your behalf.
Register a New Business
- Complete the NCSUITS Account Registration.
- Select I am a Business/Agent/Third-Party user, requiring DES claim/tax services for businesses.
- Check I am an Agent/Third-Party Administrator working on behalf of an employer and do not have an ID Number.
- Complete the Steps for creating an NCSUITS Account.
- Check your email for instructions on how to activate your NCSUITS account.
- Follow the steps to retrieve your ID number.
- You’ll arrive to a Confirmation Page once the registration is complete. Take a screenshot of this screen.
- NC SUI Account Number is in the following format: XXXXXXXXXX (10 Digits)
- See the Designating Paychex as Your Third-Party Administrator (TPA) section for instructions for assigning Paychex as the TPA for your account to submit quarterly returns and payments on your behalf.
- Enter your new account number in your Paychex Flex® account and email the screenshots of your registration and the TPA Confirmations to your Paychex Service Professional.
- Refer to Updating Tax IDs for instructions on how to update the information in the application.
Designating Paychex as Your Third-Party Administrator (TPA)
- Complete the 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 North Carolina SUI ID but aren’t sure what it is, you should be able to find it on:
- Online NCSUITS Account
- Any correspondence from the NCDES.
- Previously filed returns.
Additional Resources