When an order either grants relief to a nonparty or may be lawfully enforced against a nonparty, the procedure for enforcing the order is the same as for a party.
Enforcing Relief For Or Against A Nonparty
Mont. Code Ann. tit. 25, ch. 20, Rule 71, under Provisional and Final Remedies and Special Proceedings.
Mont. Code Ann. tit. 25, ch. 20, Rule 71