Michigan Compiled Laws, Chapter 339. Occupational Code § 339.1118

(a) As a student, receiving compensation for performing the services of a barber.

(b) Continuing to practice while knowingly having an infectious or communicable disease.

(c) Operating in an unsanitary manner;  failure to abide by sanitation standards set forth in rules authorized under this article.

(d) Wilfully violating the health and safety rules of any political subdivision.

(e) Aiding an applicant for licensure by misrepresenting a material fact.

(f) Failing to notify the department within 30 days of a change of name or address.

(g) Allowing a license to be used by an unlicensed person.

(h) Hiring or permitting an unlicensed person or student to work in a barbershop as a barber or permitting an unlicensed person to attend barber college as a student.

(i) Operating as a barber from premises not licensed under this article, except as otherwise provided in this article.

(j) Refusal to allow a board member or representative of the department to inspect during regular business hours premises where barbering services are rendered.

(k) Negligent, incompetent, or careless practice causing damage to a person's hair, skin, scalp, nails, or organs.