Maryland Labor and Employment Section 3-211

      (a)      (1)      Except as provided in subsection (b) of this section, a minor under the age of 16 years may not be employed or allowed to be employed:

                  (i)      before 7:00 a.m.;

                  (ii)      from the day after Labor Day through the day before Memorial Day, after 8:00 p.m.;

                  (iii)      from Memorial Day through Labor Day, after 9:00 p.m.; or

                  (iv)      more than:

                        1.      4 hours on a day when school is in session;

                        2.      8 hours on a day when school is not in session;

                        3.      23 hours in a week when school is in session for 5 days; or

                        4.      40 hours in a week when school is not in session.

            (2)      The hours of work allowed under paragraph (1)(iv) of this subsection do not include any hours that a minor works in a bona fide work-study or student-learner program while school normally is in session.

      (b)      The Commissioner may grant to a minor an exception to the restrictions under this section if the Commissioner:

            (1)      receives the written consent of a parent of the minor or a person standing in the place of the parent; and

            (2)      determines that:

                  (i)      there will be no hazard to the health or welfare of the minor; and

                  (ii)      granting the exception will not impede the minor in fulfilling school graduation requirements.