SDCL § 7-9-1.1: Recording, filing, and indexing of records by microfilming or computerization.

The functions of the register of deeds, including but not limited to, the recording of instruments, liens, satisfactions, and releases and the filing of records, as well as the index to any such record, may be accomplished by means of microfilming or computerization, as provided in § 6-1-11.