Pub. L. 83-665, tit. IV, sec. 416
Facilitation and Encouragement of Travel.—
Sec. 416. Facilitation and Encouragement of Travel.— The President, through such officer or commission as he may designate, shall facilitate and encourage, without cost to the United States except for administrative expenses, the promotion and development of travel by citizens of the United States to and within countries receiving assistance under this Act and travel by citizens of such countries to the United States.