If any inmate, convicted under the laws of this state, has demonstrated continued exceptional good behavior, or is in failing health, or for some other good and sufficient reason in the interest of justice, the Governor, upon the recommendation of the secretary of corrections, may diminish the inmate’s period of confinement.

Source: SDC 1939, § 13.4719; SL 1981, ch 193, § 9; SL 1989, ch 20, § 94; SL 2004, ch 168, § 8.