An inmate is eligible for parole, subject to § 24-15-4, after deducting from the inmate's sentence the statutory time granted for good conduct pursuant to § 24-5-1:

1. (1) If convicted of a felony for the first time, when the inmate has served one-fourth of the time remaining;
2. (2) If convicted of a felony for the second time, when the inmate has served three-eighths of the time remaining; or
3. (3) If convicted of a felony three or more times, when the inmate has served one-half of the time remaining.

Source: SDC 1939, § 13.5301; SL 1939, ch 34 ; SL 1964, ch 33 , § 4; SDCL, §§ 23-60-6 to 23-60-9; SL 1975, ch 174 , § 1; SL 1978, ch 186 , § 20; SL 1988, ch 196 , § 2; SL 2004, ch 168 , § 56.