The Combined Rate accounts for Federal, State, and Local tax rate on capital gains income, the 3.8 percent Surtax on capital gains and the marginal effect of Pease Limitations (which results in a tax rate increase of 1.18 percent). Montana allows for a 2.0% credit in combined State and Local capital gains rates.
Montana allows for a deduction of all federal taxes actually paid in cash during the year. The deduction is equal to federal taxes withheld from your paycheck during the year, plus any estimated payments made during the year, plus any federal taxes paid with your prior yearâ€™s tax return during the year. Montana filers' standard deduction is 20 percent of AGI. For single taxpayers, the deduction must be between $2,090 and $4,710. For married taxpayers, the deduction must be between $4,180 and $9,420.