To be employed, a minor must have a work permit. Employers in Pennsylvania must stay compliant with Pennsylvania Child Labor Law when hiring employees that are under the age of 18.Enter information relating to the involved Minor(s) (under the age of 18) in the area provided below. What are employment laws in Pennsylvania? Employment prohibited after 7 p.m. Minors (an individual under 18 years of age) in Pennsylvania must obtain a work permit in order to be employed. In Pennsylvania, minors between the ages of 14–18 must obtain a Work Permit. (Work Permits cannot be issued to children under the age of 14). Are you at least 18 years old? The Pennsylvania Child Labor Act requires all minors ages 14 - 17 to have a work permit in order to be employed.