Learn about when children can start working, work permits, and the restrictions on the hours and types of work children can do. 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.Minors aged 14 or 15 may work, but not without first obtaining an Employment Certificate from their local high school or school administration office. This Illinois law enhances restrictions on the employment of minors. Indeed, the Act imposes certain new civil and criminal penalties on violating employers. LawHelp Interactive is a website that helps you fill out legal documents for free. Official website of the U.S. Social Security Administration. Official website of the U.S. Department of Justice (DOJ). Mental Health First Aid is a national program to teach the skills to respond to the signs of mental illness and substance use. Children's Rights Clinic at the University of Texas School of Law.