For the purposes of allocation and apportionment of income, a corporation is taxable in another state as provided in Article IV, subsection (3), of 15-1-601.
Mont. Code Ann. § 15-31-303
When taxable in another state
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.