SDCL § 37-35A-2: Private firearm and firearm owner list prohibited--Exception.

With the exception of records kept during the regular course of a criminal investigation and prosecution, or as otherwise required by law, no governmental entity or official, agent, or employee of a governmental entity or any person other than the owner or owner’s representative, may knowingly and willfully keep or cause to be kept any list, record, or registry of privately owned firearms or the owners of those firearms.