Md. Code, State Fin. & Proc. § 2-507

(a) As provided in the State budget, the Secretary of General Services shall provide, in central locations in units of the State and local government and other public facilities jointly recommended by the Secretary of Health and the State Superintendent of Schools, teletypewriters for the use of deaf individuals. These locations shall provide access to emergency police, fire, and rescue services. (b) The teletypewriters shall be connected electronically so as to provide a means of communication between deaf individuals and the offices of major public and private facilities equipped with similar machines within a toll–free telephone district. (c) Whenever a unit of the State or a local government gives out conventional public service telephone numbers to the public on written material, it shall also give out corresponding teletypewriter numbers on the written material. The teletypewriter numbers may be included at the time of stock replenishment.