The Department of Health shall maintain marriage licenses issued and records of marriages solemnized in South Dakota. A duly certified copy of the recorded marriage license shall be received as competent evidence of the marriage. The local registrar shall file monthly, or more frequently if required by the department, a record of all marriages occurring in the local registrar’s county with the Department of Health by electronic means, if available. If electronic means are not available, the registrar shall file such record of all marriages on a form prescribed by the department.