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My DOR and other online services will be down for maintenance from 5 p.m. PST Friday, January 17, 2025, to 8 a.m. PST Tuesday, January 21, 2025.
Account ID and Letter ID locations
How to find your Account ID
Your Account ID is in the upper right-hand corner under the Letter ID on the correspondence you received from the Department. The Account ID is also the UBI and can be searched by clicking Look up a business from the Home page.
How to find your Letter ID
Your Letter ID is in the upper right-hand corner on the correspondence you received from the Department.
The Account ID and Letter ID can be found the letters listed below:
- No Administrator on Tax Account
- New Business Letter
- Frequency Change Notification
- Balance Due Notice
- Change to Your Balance Due
- Reseller Permit Renewal Notice
- Efile-Epay Waiver Extension
- Efile-Epay Waiver Expiration
- Requirement to File and Pay Your Taxes Electronically
- Streamline Sales Tax Registration Letter
- Notice of Delinquency
- 2nd Notice of Delinquency
- Annual Tax Incentive Report Information
- Annual Tax Incentive Report Due Reminder
Combined Excise Tax Return
You can also find the Account ID and Letter ID on the following tax returns:
- Business & Occupation Activities
- Combined Excise Return
- Retailing and Other Activities
- Sales Tax Remittance
Don’t have any of the correspondence or forms listed above?
If there is no administrator linked to the account in My DOR, you can request that a Letter ID be mailed to the address on file. This Letter ID can be used to grant access to the tax account in My DOR.
You can also call 360-705-6705 to request a Letter ID be mailed to the address on file. Letter IDs will not be provided via email.
