The Kansas turnpike authority and the superintendent of the Kansas highway patrol are hereby authorized to provide by contract or agreement, as provided herein, for the policing of any toll or turnpike constructed and operated as permitted and provided by law. All such contracts or agreements shall be subject to the approval of the governor and, if made, shall provide that the total cost of said policing, including, but not limited to all salaries, expenses, uniforms, equipment, retirement benefits provided for members of the Kansas highway patrol assigned to any toll or turnpike facility, vehicles, communication equipment, training of members and other items properly chargeable as costs of said policing shall be paid by the Kansas turnpike authority. Payments to the Kansas highway patrol due under such contracts or agreements shall be made not less than monthly and amounts so paid by the Kansas turnpike authority shall be deposited in and credited to such fund as may be used for the support of the Kansas highway patrol and shall be available for its use: Provided, That payments made to provide retirement benefits shall be deposited in and credited to the state highway patrol pension fund.