Change From Nonresident To Resident Or Vice Versa

Mont. Code Ann. § 15-30-2112, under Rate and General Provisions.

Mont. Code Ann. § 15-30-2112

If a taxpayer changes status from that of resident to that of nonresident or from that of nonresident to that of resident during the tax year, the taxpayer shall file a return. If a resident obtains employment outside the state, income from the employment is taxable in Montana.