Idaho Code
Idaho Code

Idaho Code § 20-101A (2026)

Good conduct reduction of sentences. 

✓ current as of May 2026
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Good conduct reduction of sentences. 

Each person convicted of an offense against the state, which was committed prior to July 1, 1986, and confined in a penal or correctional institution for a definite term other than for life, whose record of conduct shows that he has faithfully observed all the rules and has not been subject to punishment, is entitled to a deduction from the term of his sentence beginning with the day on which the sentence starts to run as follows:

(1)  Five (5) days for each month, if the sentence is not less than six (6) months and not more than one (1) year.
(2)  Six (6) days for each month, if the sentence is more than one (1) year and less than three (3) years.
(3)  Seven (7) days for each month, if the sentence is not less than three (3) years and less than five (5) years.
(4)  Eight (8) days for each month if the sentence is not less than five (5) years and less than ten (10) years.
(5)  Ten (10) days for each month, if the sentence is ten (10) years or more.
When two (2) or more consecutive sentences are served, the basis upon which the deduction is computed is the aggregate of several sentences.
In addition, those inmates doing an outstanding job, may be awarded industrial or meritorious goodtime under rules adopted by the state board of correction, not to exceed five (5) days per month.
Inmates performing exceptionally meritorious or outstanding services under rules adopted by the state board of correction may be awarded a lump sum of goodtime. The number of days awarded may not exceed the regulatory maximum.
Notes of Decisions
Cited in 34 cases, 1983–2004 · leading case: State v. Smith, 792 P.2d 916 (Idaho 1990).
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State v. Smith, 792 P.2d 916 (Idaho 1990). · cites it 8× “He requests that we remand the case to the trial court and require the trial court to conform the judgment to I.C. § 20-101A, which refers to good conduct reduction of sentences.”
State v. Broadhead, 814 P.2d 401 (Idaho 1991). · cites it 4× “I.C. § 20-101A (1985). This good time provision was amended in 1986 to limit its application to those committed to the board of correction prior to July 1, 1986.”
Balla v. Idaho State Bd. of Corr., 595 F. Supp. 1558 (D. Idaho 1984). · cites it 5× “Plaintiffs contend that Section 20-101A (1979) is not being applied by the Commission for Pardons and Paroles.”
State v. Storey, 712 P.2d 694 (Idaho Ct. App. 1985). · cites it 8× “I.C. § 20-101A. He is in fact sentenced to the Board of Correction for the remainder of his natural life unless the sentence is commuted or he is pardoned.”
State v. Rosencrantz, 714 P.2d 93 (Idaho Ct. App. 1986). · cites it 6× “deem the duration of confinement to be the term of the sentence “less the formula reduction available as a matter of right for good conduct under I.C. § 20-101A.” State v. Miller, 105 Idaho at 840 , 673 P.”
State v. Miller, 673 P.2d 438 (Idaho Ct. App. 1983). · cites it 5× “If he earns the formula reduction for good conduct, the actual duration of his confinement will be approximately two-thirds of the sentence imposed.”
State v. Amerson, 742 P.2d 438 (Idaho Ct. App. 1987). · cites it 4× “1983), we supplemented Toohill by declaring that the length of confinement under a fixed sentence would be treated, for the purpose of appellate review, as “the term of the sentence less the formula reduction available as a matter of right for good conduct under I.C. § 20-101A.”…”
State v. Eubank, 759 P.2d 926 (Idaho Ct. App. 1988). · cites it 2× “See I.C. § 20-101A and former I.C. § 19-2513A.”
State v. Martinez, 704 P.2d 965 (Idaho Ct. App. 1985). · cites it 4× “But when the sentences are viewed collectively, and the consecutive terms are aggregated, the sentences represent, in effect, a fixed term of seventy-five years for each brother.”
State v. Amerson, 925 P.2d 399 (Idaho Ct. App. 1996). · cites it 2× “However, during the same legislative session in 1986 when the Unified Sentencing Act was enacted, the legislature amended the good conduct credit statute, I.C. § 20-101A, by limiting its provisions to persons convicted of offenses which had been committed prior to July 1, 1986.”
State v. Cootz, 718 P.2d 1245 (Idaho Ct. App. 1986). · cites it 2× “When reviewing a fixed sentence, we view the duration of confinement as the term of the sentence less the good conduct deduction available as a matter of right under I.C. § 20-101A. State v. Beltran, supra. This reduction could amount to nearly ten years; thus the question is…”
State v. Carrasco, 757 P.2d 211 (Idaho Ct. App. 1988). · cites it 2× “See I.C. § 20-101A.) However, the district judge went a step further.”
Show all 34 citing cases →
— Idaho Code § 20-101A(4) — 1 case
State v. Bishop, 718 P.2d 602 (Idaho Ct. App. 1986).
— Idaho Code § 20-101A(5) — 1 case
Lake v. Newcomb, 90 P.3d 1272 (Idaho Ct. App. 2004).
Annotations are extracted automatically from the opinions in the Syfert caselaw corpus and ranked by authority, recency, and treatment. Dots show Syfertize treatment of the citing case itself.