Any declarations contained herein with respect to the governmental nature and public purposes of the facilities authorized by this act and to the exemption of such facilities and instruments relating thereto from taxation and to the discretion of the port authority with respect to said facilities shall not be construed to imply that other port authority facilities, property and operations are not of a governmental nature or do not serve public purposes, or that they are subject to taxation, or that the determinations of the port authority with respect thereto are not conclusive.
N.J.S. § 32:2-23.39