Online: Montana
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Articles in Online: Montana
Montana Supported Individual Income Tax Forms
Tax Processors Plus Online strives to keep the information on this page timely and accurate but makes no promise or guarantee about the timeliness, accuracy, or completeness of the contents of this page.
Montana - Credit for Taxes Paid to Another State
Montana residents may claim a nonrefundable credit for taxes paid to another state or country.
Which State does Montana have a Reciprocal Agreement with?
Montana and North Dakota have a reciprocal agreement.
Montana - Military Retirement/Pension Income
For tax years prior to 2024, Montana requires military retirement income to be included in taxable income.
Montana Military Pay and Spouse Income
Resident - Active duty military income is excluded from taxation in Montana.
Where do I make a Payment for Montana Automatic Extension of Time to File?
For the state of Montana, individual taxpayers have an automatic extension of six months.
Where Do I Set Up Estimated Payments for Montana?
The estimated payment vouchers will print with the state tax return.
Where Do I Enter Contributions to Montana's 529 College Savings Program?
A taxpayer contributing to an Achieve Montana section 529 college savings plan may be eligible for a subtraction from income.