Maryland Code, TRANSPORTATION 13-503.1
(b) This section applies to the transfer of the title or interest of an owner in a vehicle if the vehicle is registered in the:
(1) Joint names of a husband and wife and is transferred to the individual name of either spouse;
(2) Individual name of either spouse and is transferred to their joint names or to the individual name of the other spouse;
(3) Joint names of a parent and child and is transferred to the individual name of either party;
(4) Name of an individual and is transferred to the joint names of that individual and the individual’s parent or child; or
(5) Name of an individual and is transferred to the name of a child or parent of that individual.
(c) In all other respects the transfer shall be treated the same way as any other transfer by a private owner of a registered vehicle.