Md. Code, Business Occupations and Professions § 4–509

(a) The owner shall designate a master barber to supervise each apprentice barber who is learning to practice barbering or to provide barber–stylist services in the barbershop.

(b) The owner or a designated master barber shall file monthly a report, on a form supplied by the Board, that:

(1) states the progress of each apprentice barber employed by the barbershop; and

(2) identifies the master barber supervising each apprentice barber.

(c) The owner and the master barber supervising an apprentice barber immediately shall advise the Board in writing of:

(1) the date on which an apprentice barber ceases learning to practice barbering or to provide barber–stylist services at the barbershop, temporarily or permanently; and

(2) the reason for the cessation.