Purpose of Employee Handbook. 1. This HRS TAP Employee Handbook is designed to acquaint TAP employees with the TAP.Program and serves as an extension to the Alameda County Employee Orientation. Record Keeping and Access. No, employee handbooks are not required in California. However, having an employee handbook is still best practice for several reasons. Additional information concerning legal requirements applicable to leaves of absence will be posted in the workroom. 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. This handbook covers only general Agency guidelines. Employee handbooks in the workplace can be very important to the health of a company.