Minors aged 15 days to 18 years employed in the entertainment industry must have a permit to work, and employers must have a permit to employ. 16 years or older and have graduated from high school or received a state Certificate of Proficiency. •.Minors aged 12 through 17 are required to get work permits before starting a job. Apply to Team Member, Sandwich Maker, Crew Member and more! This report identifies bills weakening child labor standards in 10 states that have been introduced or passed in the past two years alone. 16 - Basic minimum age for employment. An employee background check in California can return a variety of results, including criminal records, employment history, driving records, and more. California law makes it illegal to discriminate against workers and job applicants who are over 40 years old based on their age. Call the seasoned Contra Costa County employment lawyers of Calderone Law Firm a call. Call the seasoned Contra Costa County employment lawyers of Calderone Law Firm a call.