Child Labor Law regulates employment of workers under 16 years of age. The law protects children by:Generally, children can start working at 14 and 15 years old with supervision. You must have a work permit, though. Minors aged 14 or 15 may work, but not without first obtaining an Employment Certificate from their local high school or school administration office. Children under 16 may not work in any dangerous job or in any job that could be "injurious to health or morals. The Act applies to minors ages 15 and younger. Illinois Child Labor Law requires any child under age 16 who wants to work to obtain an employment certificate from their school's Issuing. Officer. A wage claim starts the process to collect on those unpaid wages or benefits. LawHelp Interactive is a website that helps you fill out legal documents for free.