Maryland Code, Business Occupations and Professions § 2-318

(a)(1) For the limited purpose set forth in paragraph (2) of this subsection, a license shall remain in effect and may not expire by operation of law while the licensee is under investigation by the Board or awaiting a hearing or disposition on charges subject to disciplinary action under this subtitle.

(2) Any extension of a license term caused under this subsection is effective only for the purpose of retaining the jurisdiction of the Board over the licensee during the course of disciplinary proceedings and does not prevent the license from expiring for any other purpose.