There shall be three (3) cemetery maintenance commissioners in each district, who shall constitute the cemetery maintenance board. The first cemetery maintenance commissioners of such cemetery maintenance district shall be appointed by the board of county commissioners. If the district is to be situated in two (2) or more counties, the boards of county commissioners for those counties shall coordinate a joint public meeting whereby the appointment shall be made by a majority of all county commissioners present at the joint public meeting. If the county commissioners cannot agree on the appointment of a commissioner, all the interested persons who received the highest and equal number of votes shall have their names placed in a container. The county commissioner with the most continuous length of service shall draw one (1) name from the container. The person whose name is drawn shall then be appointed to fill the vacancy. The certificate of such appointment shall be made in triplicate: one (1) certificate shall be filed in the office of the county recorder of the county, one (1) with the clerk of the board of county commissioners, and one (1) with the assessor and tax collector of the county. Every cemetery maintenance commissioner shall take and subscribe the official oath, which oath shall be filed in the office of the board of cemetery maintenance commissioners.