Nothing herein contained shall be construed to authorize or permit the port authority to undertake the construction of any vehicular bridge or tunnel over or under the Arthur Kill, unless or until adequate provision has been made by law for the protection of those advancing money upon the obligations of the port authority for the construction of the bridges mentioned in chapter 37 of the Laws of 1925, or the construction of any vehicular bridge or tunnel over or under the Hudson river, at or north of Sixtieth Street in the borough of Manhattan, city of New York, unless or until adequate provision has been made by law for the protection of those advancing money upon the obligations of the port authority for the construction of a bridge mentioned in chapter 6 of the Laws of 1926, or the construction of any vehicular bridge or tunnel over or under the Kill von Kull unless or until adequate provision has been made by law for the protection of those advancing money upon the obligations of the port authority for the construction of the bridge mentioned in chapter 3 of the Laws of 1927.

L.1931, c. 4, s. 19, p. 28.