Maryland Public Safety Section 5-119
§ 5-119.
  A firearm applicant is not required to complete a certified firearms training course required under §§ 5-118 and 5-134 of this subtitle if the firearm applicant:
    (1)   has already completed a certified firearms training course required under §§ 5-118 and 5-134 of this subtitle;
    (2)   is a law enforcement officer of the State or any local law enforcement agency in the State;
    (3)   is a member, retired member, or honorably discharged member of the armed forces of the United States or the National Guard;
    (4)   is a member of an organization that is required by federal law governing its specific business or activity to maintain handguns and applicable ammunition; or
    (5)   holds a permit to carry a handgun under Subtitle 3 of this title.