This part applies to claims: (1) accruing after October 1, 1991; or (2) asserted in a civil action or proceeding more than 1 year after October 1, 1991, but do not revive a claim barred before October 1, 1991.
Existing And Future Claims
Mont. Code Ann. § 27-2-506, under Conflict of Laws.
Mont. Code Ann. § 27-2-506