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. All California employers must meet the following requirements before an employee begins work.A California Employer Identification Number. California employers look to CalChamber and HRCalifornia for advice about pressing California employment laws and HR issues. This California employment law overview reviews requirements employers should know if they have employees working in the state. However, did you know some labor law postings require fill- in-the-blank information to be compliant? Legal news and tips for employees, including meal breaks, rest breaks, overtime and unpaid wages. Contact an Employment Law Attorney in California Today. Employers in California have rights, but you also have responsibilities. Members can log in for full access.