S.D. Codified Laws § 25-4A-21 (2026)
In any custody dispute between parents, upon application of either parent, the court shall consider granting joint physical custody of a minor child. The court shall consider the factors set forth in § 25-4A-24, and shall make written findings of fact and conclusions of law regarding the best interests of the minor child, unless waived by both parties.
Source: SL 2014, ch 122 , § 1.