N.Y. Bridges & Tunnels New York-New Jersey Law § 20
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 two hundred and ten of the laws of nineteen hundred twenty-five, 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 the bridge mentioned in chapter seven hundred and sixty-one of the laws of nineteen hundred twenty-six, or the construction of any vehicular bridge or tunnel over or under the Kill van 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 three hundred of the laws of nineteen hundred twenty-seven.
N.Y. Bridges and Tunnels New York-New Jersey Law § 20