The governing body, and the chief executive official where one exists, shall promote and support a program for the orderly and efficient management of records, including the identification and appropriate administration of records with enduring value for historical or other research. Each local government shall have one officer who is designated as records management officer. This officer shall coordinate the development of and oversee such program and shall coordinate legal disposition, including destruction of obsolete records. In towns, the town clerk shall be the records management officer. In fire districts, the district secretary shall be the records management officer. In villages, the village clerk shall be the records management officer. In other units of government, except where the governing body shall have enacted a local law or ordinance establishing a records management program and designating a records management officer prior to the date that this article shall take effect, the chief executive official shall designate a local officer to be records management officer, subject to the approval of the governing body.