How do I register for Oklahoma payroll taxes?

Registering for Oklahoma Payroll Tax Account Numbers

Oklahoma requires employers to register with the Tax Commission and Employment Security Commission.

Tax Commission Employer Identification Number

• Register online
• Format: WTH9999999999
• To find an existing account number, call: (405) 521-3160

Employment Security Commission Account Number

• Register online
• Format: 99-9999999
• To find an existing account number, call: (405) 557-5330

Oklahoma Payroll Taxes

Payroll Tax Rates

The Employment Security Commission will assign your unemployment insurance tax rate. New employers generally have an initial rate of 1.5%.

Payroll Tax Deposit Schedules

All unemployment taxes are deposited quarterly.

The Tax Commission will assign your withholding deposit schedule. If you accumulated:

• less than $500 in withholding per quarter, you’ll deposit quarterly;
• $500 to $5,000 in withholding per quarter, you’ll deposit monthly;
• $10,000 or more in withholding per month, you’ll deposit semi-weekly.