How do I register for Idaho payroll taxes?

Registering for Idaho Payroll Tax Account Numbers

Idaho requires employers to register with the State Tax Commission and Department of Labor. You can register for both online.

State Tax Commission Account Number

• Register online
• Format: 9 digits (999999999, 999999999-@)
• To find an existing account number, call: (800) 972-7660

Department of Labor Account Number

• Register online
• Format: 10 digits (9999999999)
• To find an existing account number, call: (800) 448-2977

Idaho Payroll Taxes

Payroll Tax Rates

The Department of Labor will assign your unemployment insurance tax rate. New employers generally have an initial rate of 1.000%. The Department of Labor will also assign your Special Administration Reserve Fund rate and Workforce Development rate.

Payroll Tax Deposit Schedules

All unemployment taxes are deposited quarterly.

The State Tax Commission will assign your withholding deposit schedule.