An irregularity in a proceeding under this part may not be used to exclude evidence obtained under an order unless the irregularity affects substantial rights of the accused.
Mont. Code Ann. § 46-4-405, under Custodial Interrogations -- Recording.
Mont. Code Ann. § 46-4-405
An irregularity in a proceeding under this part may not be used to exclude evidence obtained under an order unless the irregularity affects substantial rights of the accused.