SDCL § 43-28-5: Presumption that execution of certificate attached to copy of instrument eligible for record was made by authorized officer.

In the absence of any showing of record to the contrary, it shall be presumed that any person or officer who purports to have executed a certificate attached to a copy of any instrument or record which is by § 43-28-4 made eligible for record was duly authorized to execute such certificate at the time it purports to have been executed.