Oklahoma Unemployment Insurance (UI) Tax Account Number Registration

Oklahoma requires businesses with employees to register for a Unemployment Insurance (UI) tax account.  Once your business has a UI account number your business needs to register on Oklahoma's EZ Tax Express website and set-up third party access.

Here's how to do it:

1. Download the Application for Oklahoma UI Tax Account Number (OES-1)
   1. Go to https://www.ok.gov/oesc/newhire/app/forms.php
   2. Select the link for "OES-1, Application for Oklahoma UI Tax Account Number"
2. Here are some specific tips for the form fields:
   1. Enter the name by which the business is known and List your business telephone number.
   2. Enter Your Federal Identification Account Number.
   3. Enter address to which forms for reports, notices and correspondence should be mailed by Commission.
   4. Enter a check mark after the word that properly describes type of ownership of your business.
   5. Enter full name, residence address, telephone number and Social Security Number of all owners, partners, corporate officers or members. Attach additional sheet if sufficient space is not provided. All corporate officers, including officers of Sub-Chapter S corporations, are considered employees for unemployment tax reports.
   6. Enter full corporate name (as it appears on your corporate seal), date of incorporation or filing and State which incorporated.
      1. Tip -- Input your business name here for access to the state's record for your business: https://www.sos.ok.gov/corp/corpInquiryFind.aspx
   7.  When you reported to the U.S. Internal Revenue Service that you were chartering a limited liability company, you were required to “check the box” on IRS Form 8832 to inform them how you wanted to be taxed. Your answer here should be the same as you selected for federal tax purposes.
   8. Enter the email address you want contacted for your business.
   9. If your answer is “Yes”, please attach a copy of your letter of exemption from the Internal Revenue Service.
   10. Date your firm entered business in Oklahoma (See 2.6.1 above for help)
   11. Enter the earliest date on which services were performed in Oklahoma.
   12. Enter the date first payroll was issued for services performed in Oklahoma.
   13. State what kind of business you operate in Oklahoma and the principal product manufactured or traded.
   14. If your answer was “Yes”, please enter name and address of former owner and date acquired.
   15. If “Yes”, enter the year you first became liable.
   16. Self explanatory.
   17. List addresses of all locations in Oklahoma where services are performed. If the physical location of your business is out of state, you must still list the Oklahoma address where services are performed even if they are performed by home-based employees. Attach additional sheet if necessary.
   18. Enter gross payroll of your business by quarter for the current year and the preceding two (2) calendar years (Oklahoma payroll only).
   19. Enter by week the number of workers to whom you furnished employment in Oklahoma. Include both full-time and part-time employees. Indicate current calendar year employment followed by employment in preceding calendar years. A week is seven (7) consecutive calendar days beginning at 12:01 A.M. Sunday and ending at 12:00 midnight on the next succeeding Saturday.
   20. Must be signed by owner, partner, corporate officer or authorized official.
3. Mail completed and signed form to: Oklahoma Employment Security Commission; Attn: Employer Compliance; PO Box 52003; Oklahoma City OK 73152-2003