Indiana Compliance and Regulatory Resources

Withholding Registration

Employers are required to have an active Indiana state withholding account number to file electronically with the Indiana Department of Revenue (DOR).

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

Register a new business

Note: One registration application will complete your registration requirements for all the following account types:

• Withholding Tax
• Unemployment Compensation Tax (also known as Unemployment Insurance)

1. Visit InBiz, to review the page contents and click Register Now at the bottom of the screen.
2. Click Don’t have an Access Indiana account and follow the instructions for account setup.
3. Complete the application.
4. Once the account set up process is complete, select Tax Registration option.
5. Select the state services applying to your business. Then select take me to InBiz to access your dashboard.
6. Locate Register - Department of Revenue in the Online Services dropdown. Note: you can also register for your State Unemployment Tax account by choosing the Register – Department of Workforce Development option.
7. Follow the steps for registering for your Withholding account
8. Registration typically takes 24 to 48 hours to process.
   • Tax ID Number Format: XXXXXXXXXX XXX (13-digit number)
9. Enter your new account number in Paychex Flex^® to ensure that 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 enter the information in the application.
10. Create your INTIME account.
    • Refer to Creating Your INTIME Account for instructions.
11. Once Paychex receives your Withholding Tax account information, we will send a Third-Party Administrator (TPA) request to your INTIME account.
    • Refer to Designating Paychex as Your Third-Party Administrator (TPA) for instructions approving this request.

Note: If you’ve decided to register for your state unemployment insurance account (SUI) using InBiz, please visit the Uplink Employer Self Service portal to create an online employer account and add Paychex as your TPA for SUI. For information about how to add Paychex as a TPA for Indiana SUI, access the instructions on the Indiana SUI section, Designating Paychex as your Third-Party Administrator.

Creating your Indiana Taxpayer Information Management Engine (INTIME) account

Information required before you start:

• The unique Letter ID found on a letter from DOR (located in upper right corner).
  • If you don’t have one, a "Welcome letter" can be requested during the logon creation process.
• The business name and ID. One of the following ID types will be accepted:
  • Taxpayer Identification Number (TID)
  • Registered Retail Merchant Certificate (RRMC)
  • Federal Employer Identification Number (FEIN)
  • Social Security Number (SSN)
  • Preparer Tax Identification Number (PTIN)
• Refer to the INTIME User Guide for Business Customers for more information.

Create INTIME logon

1. Visit INTIME and select New to INTIME? Sign up.
2. Click Create username
3. Under Am I eligible to create a logon, click the register your business for Sales or Withholding here link
4. Click register your business for Sales or Withholding here
5. Enter one of your IDs mentioned above, unique Letter ID.
   • If you don’t have a unique Letter ID, chose the Request an INTIME Welcome Letter on the Account validation screen.
6. Complete the remaining steps until you receive an acknowledgment email.

Designating Paychex as Your Third-Party Administrator (TPA)

Paychex requires TPA access to submit returns and payments on your behalf. When Paychex submits the TPA request for your account, you’ll receive an email notification through the INTIME site.

Please follow these steps to approve the authorization:

1. Go to INTIME and log in.
2. Go to the Requires Attention tab.
3. Select theOpen power of attorney requestlink in the message.
4. Select the Approve All option on the top right of the table. Select Submit.
5. A confirmation screen will appear. Print or save this page and send it to your Paychex Service Professional.

Pro tips

• One registration application will complete your registration requirements for both withholding and SUI accounts.

Additional resources

• Indiana DOR contact information
• Online Resources:
  • Getting Started - Instructions for setting up and maintaining your Access Indy/InBiz account.
  • INTIME User Guide for Business Customers - Guide for Indiana Department of Revenue Tax Website.
  • INTIME ePOA Access - Guide for approving ePOA requests.

State Unemployment Insurance (SUI) Registration

Employers are required to have an active Indiana state unemployment insurance (SUI) account number to file electronically with the Indiana Department of Workforce Development (DWD).

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 a new business

Note: One registration application will complete your registration requirements for the following account types:

• Withholding Tax
• Unemployment Compensation Tax (also known as Unemployment Insurance)

1. Visit InBiz, to review the page contents and click Register Now at the bottom of the screen.
2. Click Don’t have an Access Indiana account and follow the instructions for account setup.
3. Complete the application.
4. Once the account set up process is complete, select Tax Registration option.
5. Select all of the state services that applies to your business. Then select take me to InBiz to access your dashboard.
6. Locate Register - Department of Revenue in the Online Services dropdown. Note: you can also register for your State Withholding Tax account by choosing the Register - Department of Revenue option.
7. Follow the steps for registering for your Unemployment Insurance account.
8. Once registration is complete, you will receive your confirmation page containing your SUI account number and tax rate. Print and save this page.
   • Tax ID Number Format: XXXXXX (6-digit number)
9. Enter your new account number in Paychex Flex^® to ensure that 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 enter the information in the application.
10. Approve the Paychex Third-Party Administrator request.
    • Refer to Designating Paychex as Your Third-Party Administrator (TPA) for instructions.

Designating Paychex as your Third-Party Administrator (TPA)

Paychex requires TPA access to submit late or updated returns and payments on your behalf. Please follow the steps before to grant Paychex TPA Access.

1. Visit ESS Uplink and enter your user ID and password.
   • If you don’t have your user ID and password, select the First Time User link to sign up.
2. When you’re logged in, select Manage Users.
   Note: You can also select Maintain Accounts from the left navigation bar and then User Information.
3. In the User Maintenance screen, under the External Account Authorizations (Agent) section select the arrow to the far right in the section heading.
   • Click the Add Agent button
4. The Agent Search screen will appear, enter the 6-digit Paychex agent ID 100111.
   • Select Search.
5. To select the agent from the list, select Next to the right of the agent’s email.
6. In the Authorization Level field, select Wage Records.
7. Check the box to certify you have the authority to assign an agent to your account, then select Next.
8. A pop-up window showing User Added Successfully appears showing the user and their access level once you have completed these steps.
   • Print and save this page as a pdf.
9. Send a copy of the User Added Successfully screen to your Paychex Service Professional.
   • If you have received an email from a Paychex Team requesting TPA access, please reply to the email with a copy of the User Added Successfully screen.

Pro tips

• One registration application will complete your registration requirements for both withholding and SUI accounts.

Additional resources

• Indiana DWD Contact Information
• Employer Self Service Resources