US lawMontanaStatutesTitle 15Chapter 72Part 115-72-114Mont. Code Ann. § 15-72-11415-72-114 Penalty and interest on deficiencyYear: 2026Length: 22 wordsOfficial source 15-72-114 . Penalty and interest on deficiency. Penalty and interest must be added to any deficiency assessment as provided in 15-1-216 .PreviousMont. Code Ann. § 15-72-113NextMont. Code Ann. § 15-72-115