Mont. Code Ann. § 41-5-346
Limitation on placement of delinquent youth
41-5-346 . Limitation on placement of delinquent youth. After a probable cause hearing provided for in 41-5-332 , a youth alleged to be a delinquent youth may be placed only:
(1) in shelter care, in the facilities described in 41-5-347 ;
(2) under home arrest as provided in 41-5-347 ;
(3) in detention, as provided in 41-5-348 ; or
(4) in a community youth court program.