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. Minors employed in the state of California must have a Permit to Employ and Work (commonly referred to as a "work permit").Minors who are 1617 can work up to eight hours on nonschool days. On school days, they can work up to four hours. All minors who have not graduated high school or been awarded a certificate of proficiency, must have a valid work permit. Labor laws for minors under 16 years of age. Ensure your workplace is compliant with federal and state labor law poster requirements. Simplify compliance with our worry-free update services. Accrued vacation time cannot be taken until six months after your first day of employment. Download the attached work permit form and print it out.