S.D. Codified Laws § 22-18-30
Third or subsequent offense--Offense in another state
Any conviction for, or plea of guilty to, an offense in another state which, if committed in this state, would constitute a violation of simple assault under § 22-18-1 , aggravated assault under § 22-18-1 .1, assault under § 22-18-26 , intentional contact with bodily fluids under § 22-18-26 .1, or assault under § 22-18-29 , and that occurs within ten years prior to the date of the violation being charged, shall be used to determine if the violation to be charged is a third or subsequent offense pursuant to § 22-18-1 .
Source: SL 1999, ch 117, § 2; SL 2012, ch 124, § 1; SL 2020, ch 82, § 1.