The Brief New laws in Maryland take effect on January 1, 2025. Notable new laws include hearing aid coverage for adults, security guard licensing and Maryland road worker protection. The new year will bring new laws to the state of Maryland. Here’s a glance at some of the most notable new Maryland laws. HB 732 Chapter 947 Baltimore City Delegation BALTIMORE CITY – CONTROL OVER POWERS OF POLICE COMMISSIONER Repealing a prohibition on certain Baltimore City ordinances or acts of certain municipal officials from conflicting, impeding, obstructing, hindering, or interfering with the powers of the Baltimore City Police Commissioner; and making a portion of the Act contingent on the passage and ratification, by a certain date, of a certain Baltimore City Charter amendment. Section 1 only Contingency – Subject to the ratification of an amendment to the Charter of Baltimore City at the 2024 general election.