The court in which venue lies for the administration of the estate of a decedent, on petition for the purpose, may determine the apportionment of the tax.
Mont. Code Ann. § 72-16-602, under Apportionment of Taxes.
Mont. Code Ann. § 72-16-602
The court in which venue lies for the administration of the estate of a decedent, on petition for the purpose, may determine the apportionment of the tax.