The cooperative agreement shall provide that any revenue bonds of the port authority shall be secured by a trust agreement between the port authority and a corporate trustee that is a trust company or bank having the powers of a trust company within or outside the state. The county may be a party to such trust agreement for the purpose of securing the pledge by the county of its contribution to the corporation pursuant to division (B)(1)(d) of this section. A tax levied pursuant to division (B)(1)(a) of this section is not subject to diminution by initiative or referendum or diminution by statute, unless provision is made therein for an adequate substitute therefor reasonably satisfactory to the trustee under the trust agreement that secures the revenue bonds of the port authority.
Any contract for the acquisition, construction, or equipping of a port authority educational and cultural facility entered into, assigned, or assumed pursuant to this division shall provide that all laborers and mechanics employed for the acquisition, construction, or equipping of the port authority educational and cultural facility shall be paid at the prevailing rates of wages of laborers and mechanics for the class of work called for by the port authority educational and cultural facility, which wages shall be determined in accordance with the requirements of Chapter 4115. of the Revised Code for the determination of prevailing wage rates.
R.C. § 307.671