US lawMontanaStatutesTitle 39Chapter 33Part 139-33-102Mont. Code Ann. § 39-33-102Immediate family definedLast amended: 2009Year: 2026Length: 22 wordsOfficial source 39-33-102 . Immediate family defined. "Immediate family" includes the owner, the owner's spouse, and any children under the age of 18 years.PreviousMont. Code Ann. § 39-33-101NextMont. Code Ann. § 39-33-103