South Dakota Codified Laws
Chapter 21 - (Rule 25) Disability Or Disqualification Of Judge
Section 23A-21-3 - (Rule 25(a)) Replacement of judge disabled during jury trial.

23A-21-3.(Rule 25(a)) Replacement of judge disabled during jury trial.
If by reason of death, sickness, or other disability a judge before whom a jury trial has commenced is unable to proceed with the trial, any other judge in the circuit, upon certifying that he has familiarized himself with the record of the trial, may proceed with and finish the trial.

Source: SL 1978, ch 178, ยง274.