California
California Last Updated August 09, 2017 Agency Information California Employment Development Department – Withholding & Unemployment Tax Visit the Website Payroll Tax Assistance: 888-745-3886 e-Service for Business Assistance: 855-866-2657 Account ID Format: 123-1234-1 Add to existing company setup Submit a request to your service team to add CA (withholding) and/or CASUI (unemployment) to your company setup.…