Maryland Code, Labor and Employment § 9-207

(a) A registered crew member, a paid law enforcement employee, or an individual engaged for fire fighting by the Department of Natural Resources is a covered employee.

(b) Notwithstanding § 9-203 of this subtitle, an individual engaged for fire fighting who otherwise would be a covered employee under subsection (a) of this section is a covered employee even if the fire fighting takes place outside of the State.

(c) Notwithstanding § 9-205 of this subtitle, an individual who otherwise would be a covered employee under subsection (a) of this section is a covered employee even if engaged temporarily or part time.

(d) For the purpose of this title, the Department of Natural Resources is the employer of an individual who is a covered employee under this section.