Any and all funds derived from moneys paid to the City for the perpetual care and upkeep of lots and graves in the cemetery and now legally chargeable to the City and any other funds or property held for the benefit of the cemetery shall be forthwith placed in the custody of the Clerk, and the Clerk shall invest such funds at the direction of the Board in accordance with the City’s investment policy. The Board shall insure that such funds and the income derived from such investments shall be used in accordance with the terms and stipulations under which the funds are originally received.