Montana Underpayment of Estimated Tax by Individuals and Fiduciaries

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Underpayment of Estimated Tax by Individuals and Fiduciaries
Form EST-I
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Extracted from PDF file 2023-montana-form-est-i.pdf, last modified December 1969

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More about the Montana Form EST-I Individual Income Tax Estimated TY 2023

We last updated the Underpayment of Estimated Tax by Individuals and Fiduciaries in January 2024, so this is the latest version of Form EST-I, fully updated for tax year 2023. You can download or print current or past-year PDFs of Form EST-I directly from TaxFormFinder. You can print other Montana tax forms here.

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Other Montana Individual Income Tax Forms:

TaxFormFinder has an additional 78 Montana income tax forms that you may need, plus all federal income tax forms.

Form Code	Form Name
Form 2	Montana Individual Income Tax Return Tax Return
Form 2 Instructions	Individual Income Tax Instructional Booklet Tax Return
Form 2EC	Montana Elderly Homeowner/Renter Credit (OBSOLETE) Tax Credit
Form MW-3	Montana Annual W-2 1099 Withholding Tax Reconciliation
Form AMD (Obsolete)	Montana Individual Income Tax Amended Return Reconciliation

Download all MT tax forms View all 79 Montana Income Tax Forms

Form Sources:

Montana usually releases forms for the current tax year between January and April. We last updated Montana Form EST-I from the Department of Revenue in January 2024.

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Form EST-I is a Montana Individual Income Tax form. While most taxpayers have income taxes automatically withheld every pay period by their employer, taxpayers who earn money that is not subject to withholding (such as self employed income, investment returns, etc) are often required to make estimated tax payments on a quarterly basis. Failure to make correct estimated payments can result in interest or penalties.

About the Individual Income Tax

The IRS and most states collect a personal income tax, which is paid throughout the year via tax withholding or estimated income tax payments.

Most taxpayers are required to file a yearly income tax return in April to both the Internal Revenue Service and their state's revenue department, which will result in either a tax refund of excess withheld income or a tax payment if the withholding does not cover the taxpayer's entire liability. Every taxpayer's situation is different - please consult a CPA or licensed tax preparer to ensure that you are filing the correct tax forms!

Historical Past-Year Versions of Montana Form EST-I

We have a total of thirteen past-year versions of Form EST-I in the TaxFormFinder archives, including for the previous tax year. Download past year versions of this tax form as PDFs here:

2023 Form EST-I

2022 Form EST-I

2021 Form EST-I

2020 Form EST-I

2019 Form EST-I

2018 Form EST-I

2017 Form EST-I

2016 Form EST-I

2015 Form EST-I

2014 Form EST-I

EST-I

2013 Form EST-I

EST-I

2012 Form EST-I

2011 Form EST-I

TaxFormFinder Disclaimer:

While we do our best to keep our list of Montana Income Tax Forms up to date and complete, we cannot be held liable for errors or omissions. Is the form on this page out-of-date or not working? Please let us know and we will fix it ASAP.