A.R.S. 23-233 restricts the hours that youths under the age of sixteen (16) can work. Almost all minors under the age of 18 are subject to California's child labor protections.Minors aged 13 and under cannot work. However, employers of minors under age 18 must obtain and keep on file proof of the minor's age. California labor laws apply to most every worker working in California regardless of where your employer is located. Minors aged 12 through 17 are required to get work permits before starting a job. While California labor laws primarily apply to instate workers, certain scenarios can extend these protections to outofstate employees. Generally speaking, no. Whether you are hiring minors as seasonal or fulltime employees, there are key laws that employers should be familiar with. • Must a minor have a permit before they may work in. California?