No inmate sentenced to life imprisonment is eligible for parole by the Board of Pardons and Paroles except as provided in §§ 24-15A-55 to 24-15A-68 , inclusive. Source: SDC 1939, § 13.5302; SL 1964, ch 33 , § 5; SDCL § 23-60-15; SL 1978, ch 186 , § 21; SL 2004, ch 168 , § 55; SL 2018, ch 154 , § 11.