Cemeteries existing at the time of the adoption of sections 214.270 to 214.410 shall hereafter be operated subject to the provisions of sections 214.270 to 214.410. Where an ordinance or order is established by a county, city, town or village which relates to the maintenance of cemetery property, including the control of weeds and other debris, all cemeteries, including nonperpetual cemeteries, shall be maintained consistent with the provisions of the ordinance or order.
§ 214.390, RSMo