The Brief The Supreme Court declined to hear a challenge to Maryland’s handgun qualification law, leaving it in place. Gun control advocates in Maryland celebrated Monday as the U.S. Supreme Court declined to hear a challenge to the state’s handgun qualification law, leaving the regulations in place. The decision preserves Maryland’s strict requirements for handgun purchases, which include safety training, fingerprinting, a background check, and a waiting period. Circuit Court of Appeals later upheld Maryland’s law, finding it consistent with historic firearm regulations. What's next:The Supreme Court’s refusal to take up the case means the appeals court decision stands, maintaining the law as is.