On the effective date hereof, all unopened plots shall become subject to the requirements of this chapter and persons now reserving plots shall be required to pay to the city at least ten percent (10%) of the total amount owed for perpetual care as determined by the board of councilmen for the plots reserved within thirty (30) days from the effective date of this chapter and the balance, if any, shall be paid in at least twelve (12) equal monthly installments, the first being due one month from the effective date hereof. Failure to pay the perpetual care charge as provided for in this section shall result in a forfeiture of any monies paid and shall cancel the reservation or reservations of the individual or individuals so applying. The fee for opening and closing the grave can be paid for in advance or can be deferred until the date of opening of the grave. (Ord. 61, 12-9-1970)