Any funds appropriated to the Department of the Interior for the acquisition of non-Federal lands within areas of the National Park System shall after August 6, 1956, be available for the acquisition of non-Federal lands within the Cape Hatteras National Seashore Recreational Area, and the appropriation of funds for the acquisition of such lands is authorized.

(Aug. 6, 1956, ch. 988, § 2, 70 Stat. 1066.)