Verkkoalthough federal law does not mandate work permits for youth, child labor rules limit how many hours a youth can work, when a youth can work, and in which jobs a. Verkkoreview this expansive survey reviewing child labor laws in 51 jurisdictions. Child labor restrictions under the flsa. Read guidance on the fair. Verkkoon school days, children cannot work longer than 3 hours, with a limit of 18 hours a week. They are also limited to working between the hours of 7.