(a) Nothing contained in this Act shall be construed as depriving the Federal Maritime Board of the exclusive jurisdiction heretofore conferred on it over common carriers engaged in transportation by water between any port in the State of Hawaii and other ports in the United States, or possessions, or as conferring on the Interstate Commerce Commission jurisdiction over transportation by water between any such ports.(b) Effective on the admission of the State of Hawaii into the Union-- (1) The first sentence of section 506 of the Merchant Marine Act, 1936, as amended (46 U.S.C., § 1156), is amended by inserting before the words "an island possession or island territory," the words "the State of Hawaii, or";(2) Section 605(a) of the Merchant Marine Act, 1936, as amended (46 U.S.C., § 1175), is amended by inserting before the words "an island possession or island territory", the words "the State of Hawaii, or"; and(3) The second paragraph of section 714 of the Merchant Marine Act, 1936, as amended (46 U.S.C., § 1204), is amended by inserting before the words "an island possession or island territory" the words "the State of Hawaii, or".Am July 12, 1960, Pub L 86-624, 74 Stat 423