Child Labor Law regulates employment of workers under 16 years of age. The law protects children by: requiring employment certificates.Learn about when children can start working, work permits, and the restrictions on the hours and types of work children can do. This Illinois law enhances restrictions on the employment of minors. Indeed, the Act imposes certain new civil and criminal penalties on violating employers. Minors aged 14 or 15 may work, but not without first obtaining an Employment Certificate from their local high school or school administration office. 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. Complete one form for each report requested. TIP: Modify the start and end year(s) to broaden search. Children up to age 18 are legally required to wear a helmet when bicycling in Pima County.