Work permits are required for all minors under the age of 18 to work in the State of Maryland. 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. Complete the online application at the Maryland Department of Labor's Employment of Minors (Work Permit) page. Review and print your permit. Age: • A minor under the age of 14 may not be employed or permitted to work unless the child is a model, performer or entertainer with a special permit. However, employers of minors under age 18 must obtain and keep on file proof of the minor's age. In Maryland, your parents may be allowed to take control of the money you earn if you are under the age of 18. How do I fill this out? No, it's against child labor laws.