S.D. Codified Laws § 12-4-9.2
A person eligible to vote under § 12-4-1 may apply to the secretary of state to be listed in the master registration file with a secured active designation.
The secretary of state shall certify a secured active designation if an applicant provides a sworn application that affirms one of the following:
Upon receipt of the application, the secretary of state shall verify with the Unified Judicial System that the applicant petitioned for the protection order and the order is active.
A voter record with a secured active designation shall be excluded from public inspection or copying, except if requested by a law enforcement agency, if directed by a court order, or if a secured active designation has been cancelled at the request of the secured active designee.
A secured active designation remains in effect for five years.
The State Board of Elections shall promulgate rules, pursuant to chapter 1-26, to prescribe the notices and forms, as well as any criteria and procedures for approving applications pursuant to this section.
SDCL 12-4-9.2