Montana Title 45. Crimes § 45-8-404. Additional sentence for criminal street gang-related felony

(1)(a) A person who is convicted of a felony that the person committed for the benefit of, at the direction of, or in association with any criminal street gang for the purpose of promoting, furthering, or assisting any criminal conduct by criminal street gang members shall, in addition to the punishment provided for the commission of the underlying offense, be sentenced to a term of imprisonment in a state prison of not less than 1 year or more than 3 years, except as provided in 46-18-222.

(b) If the underlying felony described in subsection (1)(a) is committed on the grounds of, or within 1,000 feet of, a public school, as defined in 20-6-501, during hours when the facility is open for classes or school-related programs or when minors are using the facility, the additional term provided for in subsection (1) is 2 to 4 years.