The Alabama Child Labor Law. Each employer shall obtain and display the proper Child Labor Certificate(s) for each location where minors under the age of 18 are employed.Work permits are required for all minors under the age of 18 to work in the State of Maryland. An Employment Certificate (Working Paper) is required for all employed minors under 18 years old. Penalties for Child Labor Laws violations: •. Minors 14 through 17 years of age may only work with a work permit. The work permit must be in the employer's possession before the minor is permitted to work. As of June 1, an eligibility to work form is no longer required for each 14 and 15yearold employed, under Act. Additional Child Labor Law Information. The Employer must post a schedule of work hours for minors under 18 years old in the establishment.