Oregon
Last Updated June 18, 2026.
Oregon employers must comply with payroll withholding, unemployment insurance, statewide transit taxes, and other employment-related obligations. Use these resources to access employer guidance and agency contacts.
State Tax Guidelines
Oregon Department of Revenue – Withholding Tax
Agency Information
Add to existing company setup
Submit a request to your service team to add OR (withholding) to your company setup. Please include the below with your request:
- Withholding – Withholding account number and Deposit Frequency. If you’re unsure of your deposit frequency or account number you can call the agency at 503-378-4988.
Register a new company
Employers can register for both withholding and unemployment online at https://secure.sos.state.or.us/oim/login?oimAction=renew&p_a_cd=CBR&p_fp_gurl=https://secure.sos.state.or.us/cbrmanager/login.action. Select the Sign Up now link at the top of the page. Follow the prompts to register your business. Once completed you will receive your account number, deposit frequency, and rate within 3 – 5 days.
Oregon Employment Department – Unemployment tax
Agency Information
Add to existing company setup
Submit a request to your service team to add ORSUI (unemployment) to your company setup. Please include the below with your request:
- Unemployment – Account 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 503-947-1394.
- Power of Attorney- POA is required, please obtain the prefilled form from your client service representative.
Register a new company
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