Md. Code, Labor and Employment § 9–708

(a) This section does not apply to:

(1) a partner whom a partnership elects to be a covered employee under § 9-219 of this title;

(2) a sole proprietor who elects to be a covered employee under § 9-227 of this title; or

(3) an officer of a corporation who:

(i) is a covered employee under § 9-206(a) of this title; and

(ii) is eligible but does not elect to be exempt from coverage under § 9-206(b) of this title.

(b) In the case of an accidental personal injury, the claim limitation period in § 9-709(b)(3) of this subtitle does not begin to run until the employer files a report with the Commission in accordance with § 9-707 of this subtitle if:

(1) the employer has been notified in accordance with § 9-704 of this subtitle; or

(2) the employer or a designated representative of the employer at the place where the accidental personal injury occurred knows about the disability or death of the covered employee.