Washington
Last Updated September 06, 2017
Agency Information
No Withholding Tax
Washington State Employment Security Department – Unemployment tax
Add to existing company setup
Submit a request to your service team to add WASUI (unemployment) to your company setup. Please include the below with your request:
Washington State Employment Security Department
- Unemployment – UBI Account Number, ESREF number, and Tax rate. This can be found on a Tax Rate Notice or the Quarterly contribution report. If you’re unsure of your tax rate or account number, you can call the agency at 360-902-9360.
- Power of Attorney- POA is required, please obtain the prefilled form from your client service representative.
Register a new company
Washington State Employment Security Department
Register online at http://bls.dor.wa.gov/file.aspx. Select the Apply online link. Follow the prompts. Once completed you will receive your account information and rate within 10 days.
Third Party Registration and/or Power of Attorney Instructions
Power of Attorney is required, please obtain the prefilled form from your client service representative.