When a deed of gift, devise, or bequest of property or funds to the municipality for park purposes requires the investment or change of investment of the principal of the property or funds, or any part thereof, to be made upon the approval of an advisory committee appointed by a court or judge, or an advisory committee appointed by a civic organization of the municipality, or by Council, then the property or funds, and any park for the improvement of which, in whole or in part, the funds are to be used, or any property for the care or management of which, in whole or in part, the funds are to be used, shall be managed, controlled, and administered by a Board of Park Trustees.
(R.C. § 755.20)