S.D. Codified Laws § 15-16-30

Such judgments and decrees of the district court of the United States, filed and docketed pursuant to § 15-16-28, may be assigned of record by filing a copy thereof together with the assignment duly authenticated, or a transcript thereof containing the facts needed for a docket entry and the fact of assignment, date thereof, and name of assignee, duly authenticated, and the clerk shall note the facts of assignment on the docket.