South Dakota Codified Laws
Chapter 11A - Escape
Section 22-11A-2.1 - Second degree escape--Felony.

22-11A-2.1. Second degree escape--Felony.
Any escape by a prisoner constitutes second degree escape if the prisoner effects the escape by means of failure to return to custody following an assignment or temporary leave granted for a specific purpose or limited period or leaves a nonsecure correctional facility without authorization. Second degree escape is a Class 5 felony.

Source: SL 2005, ch 120, §319; SL 2009, ch 113, §3.