46-18-402. Credit for time served. If a defendant has served any portion of the defendant's sentence under a commitment based upon a judgment that is subsequently declared invalid or that is modified during the term of imprisonment, the time served must be credited against any subsequent sentence received upon a new commitment for the same criminal act or acts.
Montana Code Annotated
Mont. Code Ann. § 46-18-402 (2026)
Credit For Time Served
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TITLE 46. CRIMINAL PROCEDURE
CHAPTER 18. SENTENCE AND JUDGMENT
Part 4. Factors That Reduce Sentence
Credit For Time Served
History: En. 95-2214 by Sec. 1, Ch. 196, L. 1967; R.C.M. 1947, 95-2214; amd. Sec. 3, Ch. 372, L. 1995.
Notes of Decisions
Cited in 7
cases, 1988–2014 · leading case: Gundrum v. Mahoney, 2001 MT 246, 36 P.3d 890.
Gundrum v. Mahoney, 2001 MT 246, 36 P.3d 890. “¶17 Is the Petitioner entitled to credit for time served? ¶18 Gundrum was placed on probation on August 11, 1992, and a bench warrant was issued for his arrest on probation violations on December 7, 1993.”
State v. DeWitt, 2006 MT 302, 149 P.3d 549. “served when the court revoked DeWitt’s suspended sentence and sentenced him to 10 years, with 5 years suspended? ¶7 DeWitt contends that the court failed to account for his 1,275 days served when it sentenced him on October 20, 2005, in violation of his rights under the double…”
State v. Forsyth, 761 P.2d 363 (Mont. 1988). “We hold that the Sentence's "presentence incarceration", and the application of §§ 46-18-402 to -403, MCA, mandate credit for the time Forsyth has spent in jail and prison since charges were brought in this case.”
State v. Pendergrass, 932 P.2d 1056 (Mont. 1997). “Nevertheless, based on his underlying argument that the escape sentence merged with his other sentences and that all of the sentences began running concurrently when he was paroled in April of 1992, he contends in this appeal that the District Court was required to give him…”
State v. Plummer, 2002 MT 51N. “We concluded that because Plummer was on probation, did not serve any portion of his sentence and was not committed to the Department of Corrections, he was ineligible for credit for time served under § 46-18-402, MCA (1995). ¶14 Plummer’s most recent filings in the District…”
State v. Weikert, 2002 MT 193N. “¶4 Weikert later moved for credit for time served on probation, pursuant to § 46-18-402, MCA. The State of Montana responded and Weikert filed a reply brief, arguing for the first time that the revocation of his suspended sentence violated § 46-18-203(7)(b), MCA, because the…”
State v. Johnston, 2014 MT 17N. “Because he was given credit for 87 days of time served before sentencing, the records department subtracted those days from October 1, 1996, resulting in a commencement date of July 6, 1996.”
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