The mission of the California Labor Commissioner's Office is to ensure a just day's pay in every workplace in the State and to promote economic justice. No, employee handbooks are not required in California.However, having an employee handbook is still best practice for several reasons. How to Use this Handbook. Speak up about wages that are owed to you. • Report an injury or a health and safety hazard. Legal news and tips for employees, including meal breaks, rest breaks, overtime and unpaid wages. At Romero Law, APC, our trusted employment law attorneys in Pasadena know that California employers are not required to provide employee handbooks. Developing employment handbooks has become a necessary task when running large and small companies in Los Angeles. Employment ; Employment handbooks.