Maryland Code, Family Law § 4-511

(a) When responding to the scene of an alleged act of domestic violence, as described in this subtitle, a law enforcement officer may remove a firearm from the scene if:

(b) If a firearm is removed from the scene under subsection (a) of this section, the law enforcement officer shall:

(c) At the conclusion of a proceeding on the alleged act of domestic violence, the owner of the firearm may retake possession of the firearm unless ordered to surrender the firearm under § 4-506 of this subtitle.