A: The at-will employment law of California allows an employer to fire an employee with or without cause and with or without notice for any lawful reason. Other Documentation: Any other documentation requested in the job announcement such as permit, license, or certificate.Find the best employment attorney serving Contra Costa County. County, upon written notice to Contractor, may immediately terminate this Contract should Contractor fail to perform properly any of its obligations hereunder. Facing employment issues in Contra Costa? Bibiyan Law Group, P.C is here to defend your rights. Such agreements may prohibit you from asking your former coworkers to come work for you or some other competitor. Again, these are largely unenforceable. The California state legislature recently passed AB 5, which defines who is an independent contractor and who is an employee under California law. Voluntary non-paid experience will be accepted if job related.