S.D. Codified Laws § 25-7-6.13 (2026)
All orders for support entered and in effect prior to July 1, 2026, may be modified in accordance with this chapter, without requiring a showing of a change in circumstances from the entry of the order. If a parent incarcerated for more than one hundred eighty days is released from incarceration, the child support obligation in effect at the time of release must continue in effect until either parent files a petition for modification.
Source: SL 1989, ch 220 , § 13; SL 1997, ch 154 , § 6; SL 2001, ch 133 , § 8; SL 2005, ch 134 , § 4; SL 2009, ch 130 , § 5; SL 2017, ch 111 , § 3; SL 2022, ch 81 , § 4; SL 2026, ch 121 , § 3.