Iowa New Business Registration Guide

Taxes You Must Register For

1. State Income Withholding Tax

2. State Unemployment Insurance (SUI) Tax

➤ Iowa Withholding Tax

✅ Registration Steps

1. Go to: https://www.idr.iowa.gov/CBA/start.asp

2. Complete the electronic application for a Withholding Tax Permit

3. Submit the form online and await confirmation

• Download Form 78-005a – Iowa Business Tax Permit Registration (PDF)

• Fill out the paper form and mail to the address provided in the instructions

📄 Account Formats

• Withholding Tax Permit Number: Format varies but typically numeric

• BEN (Business eFile Number): 8-digit number assigned after registration

➤ Iowa Unemployment Insurance (SUI) Tax

✅ Registration Steps

1. Go to: https://www.myiowaui.org/UITIPTaxWeb/uilogin.do

2. Select “Sign Up” and create an employer account

3. Complete all required fields in the registration form

4. Submit the application online

📄 Account Format

• SUI Account Number: Typically numeric, assigned after registration

• EFT Credit ID: A 17-digit number used for electronic payments

🔐 Granting Third-Party Access to Check

1. Log into your myIowaUI account: https://www.myiowaui.org/UITIPTaxWeb/uilogin.do

2. On the homepage, click “Assign Agent” from the left-hand menu

3. Select the role(s) (e.g., Filing, Payments) for Check Technologies

• Download and complete Form 68-0092 – Declaration of Power of Attorney (PDF)

• Sign and return the form as instructed

• Withholding (IDR): https://tax.iowa.gov/

• Customer Support: 1-800-367-3388

• Unemployment (IWD): https://www.iowaworkforcedevelopment.gov/

• IWD Employer Help Line: 1-888-848-7442

• myIowaUI Support: Available through portal login