This section and the preceding sections hereof, together with the corresponding sections of the act of the State of New York concurring herein in accordance with section seventeen hereof, shall constitute an agreement between the States of New York and New Jersey supplementary to the compact between the two States, dated April thirtieth, one thousand nine hundred and twenty-one, and amendatory thereof, and shall be liberally construed to effectuate the purposes of said compact and of the agreements of the two States amendatory thereof or supplemental thereto, and shall be construed to be in aid of and supplemental to and not in limitation of or in derogation of the powers heretofore conferred upon or delegated to the Port Authority.

L.1950, c. 192, p. 432, s. 13.