Md. Code, Public Safety § 13–811

(a) No excuse is valid for absence from an assembly except:

(1) good faith absence from the place where the assembly is ordered;

(2) illness of the individual that prevents the individual’s attention to ordinary pursuits;

(3) sickness in the individual’s family that requires the individual’s personal care and presence; or

(4) any other reason that the court finds satisfactory.

(b) No excuse is valid for absence from an annual inspection except:

(1) illness of the individual that would prevent attendance; or

(2) illness in the individual’s family that requires the individual’s personal care and presence.