Notwithstanding any other provision of law to the contrary, and in addition to the investment procedures and methods presently authorized by law, those Firemen’s Pension Funds and the Policemen’s Pension Funds of municipalities of under one hundred fifty thousand population are hereby authorized to adopt and be governed by the same procedures, and to the same extent with regard to investment of funds as are authorized by law for the municipal governing authorities of their respective municipalities.

Acts 1970, No. 580, §1.