State tax registration
Iowa Payroll Tax Registration
Where to register, how long it takes, and what to send us.
State income tax withholding
Withholding permit (GovConnectIowa business registration)
Iowa Department of Revenue
- Typical wait:
- As early as 1 business day (the mailed letter can take up to 6 weeks)
- You'll receive:
- A 9-digit Iowa withholding permit number and an IDR ID, sent in a letter with instructions.
- Send Unify:
- Your Iowa withholding permit number.
State unemployment insurance
Unemployment insurance account (myIowaUI)
Iowa Workforce Development (IWD)
- You'll receive:
- An Iowa Workforce Development employer account number. Most new employers pay 1.0% in 2026; construction employers pay 5.4%. Both apply to the first $20,400 of each employee's wages in 2026.
- Send Unify:
- Your IWD account number and your rate notice.
A 2025 law (SF 607) roughly halved the wage base, from $39,500 in 2025 to $20,400 in 2026.
Register for Unemployment insurance account (myIowaUI) (opens in a new tab)All states
Last verified September 30, 2026. Broken link? Email support@unifypayroll.com.