To invest funds coming into their hands in the name of the Board of Trustees of the patrolmen’s pension fund, in such investments as may be made by a trustee of a trust fund under the laws of the State of Illinois and as may be approved by the Board of Trustees. No personal liability of the trustees or any of them shall attach by reason of any such investments made in good faith.
     No bank or savings and loan association shall receive investment funds as permitted by this Section, unless it has complied with the requirements established pursuant to Section 6 of “An Act relating to certain investments of public funds by public agencies”, approved July 23, 1943, as now or hereafter amended. The limitations set forth in such Section 6 shall be applicable only at the time of investment and shall not require the liquidation of any investment at any time.