S.D. Codified Laws § 15-5-14
Change of venue in postjudgment divorce, paternity, or separate maintenance actions
The court may change the venue of trial or hearing in postjudgment divorce, paternity, or separate maintenance actions if:
(1) The parties no longer reside in the county where the action was decided; or
(2) The parties agree; or
(3) Convenience of witnesses or the ends of justice would be promoted by the change.
Source: SL 1998, ch 111, § 1.