Ohio Compliance and Regulatory Resources

Withholding Registration

Employers are required to have an active account number to file electronically with the Ohio Department of Taxation.

Paychex must be authorized as the Third-Party Administrator (TPA) on the account for making any adjustments to returns and payments on your behalf.

Register new business

1. Go to the Ohio Business Gateway (OBG) and create an account.
2. Continue each step until the application is complete.
3. Once registration is complete, you will receive a confirmation page containing your withholding account number. Print or save this screen as a pdf.
   • Tax ID Number Format: 5X-XXXXXX X (9- digit number)
4. Enter your new account number in Paychex Flex^® to ensure your account is updated and email your registration confirmation document to your Paychex Service Professional.
   • Refer to the Updating Tax Agency IDs in Paychex Flex instructions to update the information in the application.
5. 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)

There are two options to grant Paychex TPA access to your Ohio Withholding account:

1. Complete the Power of Attorney (POA) Form.
2. Email your registration confirmation and TPA Access summary page to your Paychex Service Professional.

When a change to an original return is required or there’s a return that will need to be filed after the due date, Paychex will need to request TPA access to your account. You’ll receive an email notification through the Ohio Business Gateway. Follow the instructions below to approve the TPA request:

1. Go to the Ohio Business Gateway and log in.
2. Navigate to the Account Access Management page.
   • You can click the padlock icon at the top right of the page.
3. Go to the Account Access Request tab and Approve the request.
4. Scroll to the bottom of the page to the list of users and update Paychex access to Grant filing Access.

Additional resources

• Starting Your Business in Ohio
• Ohio DOT Help Center – includes contact information
• Ohio Business Gateway Help Center

State Unemployment Insurance (SUI) Registration

Employers are required to have an active state unemployment insurance (SUI) account number to file electronically with the Ohio Department of Jobs and Family Services (ODJFS).

Paychex must be authorized as the Third-Party Administrator (TPA) on the account for making any adjustments to returns and payments on your behalf. ODJFS refers to this access as the Third-Party Agent.

Register a new business

1. Go to Ohio Unemployment SOURCE application.
   • Refer to this Ohio Employer Registration video for additional assistance.
2. Locate and select the Register for an Account link at the bottom of the screen.
3. Complete each step until the application is finished.
4. You’ll arrive to the registration confirmation page that will contain your employer ID. Print or save this page as a pdf.
   • SUI ID Number Format: XXXXXXXXXX (10-digit number)
   • These may be referred to as the employer ID or employer account number (EAN)
5. Enter your new account number in your Paychex Flex^® account to ensure your Paychexinformation is updated.
   • Refer to the Updating Tax Agency IDs in Paychex Flex instructions toenter the information in the application.
6. 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)

1. Complete and sign the Agent Authorization Form, save a copy for your files.
   • Refer to this Employer Agent Authorization video for additional assistance.
2. Select the Account Maintenance on the left side of the screen.
3. Select the Agent Assignment tile.
4. Click Add Agent.
5. Enter Paychex’s Agent ID: 6000006148 and click Search.
6. In the Authorization Document window, click the Browse (or File Upload) button and search for your completed Agent Authorization Form. Click upload.
7. In the Assign Roles section, check the following options:
   • Wage Submission
   • Payment Submission
   • Account Maintenance
   • Appeals
8. The Access Begin Dates must be the 1st day of the quarter for each assignment (January 1, April 1, July 1, October 1). Leave the Access End Dates blank.
9. Click Save.
10. Email your Registration Confirmation and TPA Access summary page to your Paychex Service Professional.

Additional resources

• Ohio Department of Job and Family Services contact information
• Employer Outreach - training videos for employers