41-5-321. Taking into custody. (1) A youth may be taken into custody under the following circumstances:

(a) by a law enforcement officer pursuant to a lawful order or process of any court;

(b) by a law enforcement officer pursuant to a lawful arrest for violation of the law;

(c) by a juvenile home arrest officer or an officer listed in subsections (1)(a) and (1)(b) if a youth placed under a home arrest program has violated a condition of the placement and the home arrest officer or law enforcement officer has direct knowledge of the violation or a juvenile probation officer has provided the juvenile home arrest officer notice of a violation.

(2) The taking of a youth into custody is not an arrest except for the purpose of determining the validity of the taking under the constitution of Montana or the United States.