Md. Code, Land Use § 17-101

(a) The Commission may acquire property for the purposes stated in subsection (b) of this section to carry out the Commission’s general plan for the physical development of the metropolitan district. (b) The purposes for acquisition include: (1) in the metropolitan district: (i) parks; (ii) forests; (iii) roads; and (iv) other public ways, grounds, and spaces; and (2) public recreation, including the construction of public recreation centers, community buildings, or other public buildings necessary to house a public recreation program. (c) The Commission: (1) may improve and develop property that it acquires under this section for the purposes stated in subsection (b) of this section; and (2) controls the maintenance and operation of the property. (d) A general regulation governing property acquired for a purpose under subsection (b)(1) of this section in either county may not take effect until the regulation receives the affirmative vote of at least three members of the Commission from that county.