The Secretary of the Interior is authorized, in his discretion, to accept on behalf of the United States donations of lands or interests in land within the city limits of Hot Springs, Arkansas, the title to such lands or interests in land to be satisfactory to said Secretary. Upon the acquisition of such lands or interests in land, they shall become a part of the Hot Springs National Park and shall be subject to all laws and regulations applicable thereto.
(June 15, 1936, ch. 554, §3, as added Aug. 10, 1939, ch. 639,