Section 15-30-2104 - [Effective Until 1/1/2025] Tax on nonresident(1)(a) Except as provided in 15-30-2106, a tax is imposed upon each nonresident individual, estate, or trust equal to the tax computed under 15-30-2103 as if the nonresident individual, estate, or trust were a resident during the entire tax year, multiplied by the ratio of Montana source income to total income from all sources.(b) This subsection (1) does not permit any items of income, gain, loss, deduction, expense, or credit to be counted more than once in determining the amount of Montana source income, and the department may adopt rules that are reasonably necessary to prevent duplication or to provide for allocation of particular items of income, gain, loss, deduction, expense, or credit.(2) Pursuant to the provisions of Article III, section 2, of the Multistate Tax Compact, each nonresident taxpayer required to file a return and whose only activity in Montana consists of making sales and who does not own or rent real estate or tangible personal property within Montana and whose annual gross volume of sales made in Montana during the taxable year does not exceed $100,000 may elect to pay an income tax of 1/2 of 1% of the dollar volume of gross sales made in Montana during the taxable year. The tax is in lieu of the tax imposed under 15-30-2103 and subsection (1)(a) of this section. The gross volume of sales made in Montana during the tax year must be determined according to the provisions of Article IV, sections 16 and 17, of the Multistate Tax Compact.Amended by Laws 2023, Ch. 563,Sec. 3, eff. 1/1/2024, and applicable to income tax years beginning after December 31, 2023.Amended by Laws 2021, Ch. 503,Sec. 10, eff. 1/1/2024, and applicable to income tax years beginning after December 31, 2023.En. Sec. 3, Ch. 181, L. 1933; re-en. Sec. 2295.3, R.C.M. 1935; amd. Sec. 2, Ch. 253, L. 1959; amd. Sec. 1, Ch. 199, L. 1963; amd. Sec; 1, Ch. 15, L. 1971; R.C.M. 1947, 84-4903; amd. Sec. 1, Ch. 422, L. 1981; amd. Sec. 2, Ch. 14, Sp. L. July 1992; amd. Sec. 3, Ch. 634, L. 1993 (voided by I.R. No. 112, 11/8/1994); amd. Sec. 2, Ch. 31, L. 1999; amd. Sec. 7, Ch. 143, L. 2001; Sec. 15-30-105, MCA 2007; redes. 15-30-2104 by Sec. 1, Ch. 147, L. 2009.This section is set out more than once due to postponed, multiple, or conflicting amendments.