For New Iowa Businesses:
Please follow the steps below to register your business with the Iowa Department of Revenue and Iowa Department of Labor. Unless these steps are followed in their entirety, OnPay will be unable to file and pay your Iowa taxes.
Iowa Income tax withholding
Register online with the Iowa Department of Revenue.
- Click on Start at the bottom of the page to begin the application process.
- You should receive your Withholding Number and deposit schedule in roughly 4-6 weeks.
- You should receive your Withholding Number and deposit schedule in roughly 4-6 weeks.
- After you register for a Withholding Permit Number with the Iowa Department of Revenue you will also receive a Business eFile Number (BEN).
Iowa Unemployment tax
Register online with the Iowa Workforce Development.
- Most companies are liable for state unemployment if they have $1,500 in wages paid in a past or current quarter or have paid one or more employees for any portion of 20 different calendar weeks.
- You should receive your UI account number and contribution rate instantly after completing the online registration.
- You should receive your UI account number and contribution rate instantly after completing the online registration.
Iowa Contribution Rate: The rate ranges from 1%–8% for new employers.
For Existing Iowa Businesses:
If you already have access to the Iowa Department of Revenue and the Iowa Department of Employment Services websites, and have your tax ID numbers, please STOP, and simply provide us with the data requested in the "Give us your Info" section of the Iowa Tax document. If you have access to the Iowa websites but do not have your tax IDs, please log into your Iowa account and apply for access to an ID. If you have any questions, please call the Iowa Department of Revenue directly at 1-(515) 281-3114 or the Department of Labor at 1-(888) 848-7442.
- Existing employers can find their Withholding Tax Account Number on notices from the Iowa Department of Revenue.
- Existing employers can find the Unemployment Account Number on the Notice of UI Contribution Rate (Form 65-5306).
Iowa Contribution Rate: Your Iowa Contribution Rate appears on the Notice of UI Contribution Rate Form 65-5306 that you receive from Iowa Workforce Development.
- It ranges from 0%-8% with a wage base of $29,300.