Apportionment Factors

Mont. Code Ann. § 15-31-323, under Allocation and Apportionment of Income.

Mont. Code Ann. § 15-31-323

For purposes of 15-31-322, the location of payroll and property is determined under the individual state's laws and regulations that set forth the apportionment formulas used to assign net income subject to taxes on or measured by net income. If a state does not impose a tax on or measured by net income, apportionment is determined under this chapter.