qbteachmt
Level 15

MT will tax Joint income, split. You allocate income by name if the income is sourced by name; otherwise, it is all considered Joint, such as Joint Investments.

For Expense, paid from Joint accounts, you can arbitrarily split that expense. For example, property tax payments can be split however you like.

And MT taxes out of state income, such as winning the CA lottery and moving to MT means that is taxable in MT.

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