(a)      For the purpose of financing or assisting in the financing of the acquisition of land or other property for parks, parkways, forests, streets, roads, boulevards, or other public ways, grounds, or spaces within the metropolitan district, or for the purposes of public recreation, or for its improvement or development, the Commission may receive and expend any contributions, donations, or appropriations which may be made for these purposes or any of them, by the United States, the District of Columbia, the State of Maryland, any other political community, or any private person.

      (b)      For the purposes of financing or assisting in the financing of land acquisition, design, development, redevelopment, or revitalization in Prince George's County, the Commission may receive and expend any contributions, donations, or appropriations which may be made for these purposes or any of them, by the United States, the District of Columbia, the State of Maryland, any other political community, or any private person.