S.D. Codified Laws § 23A-27-11
Current with legislation signed by the governor on or before 3/6/2024
A motion to withdraw a plea of guilty or nolo contendere may be made only before sentence is imposed or imposition of sentence is suspended; but to correct manifest injustice a court after sentence may set aside a judgment of conviction and permit the defendant to withdraw his plea.
SDCL 23A-27-11