Md. Code, Public Utilities § 9–208

(a) This section does not apply to a motor coach that is licensed by the Commission to provide transportation of persons for hire.

(b) A nonprofit entity that owns and operates a motor coach with a capacity of at least 30 passengers and gross vehicle weight rating of at least 32,000 pounds shall obtain a license for the motor coach from the Commission.

(c) The nonprofit entity shall have the motor coach inspected for safety every 12 months by an authorized Maryland inspection station.

(d) A motor coach that is licensed under this section and only provides service for or on behalf of a nonprofit entity is not subject to tariffs or rate making under this division.