How to File an Amended Montana Tax Return

efile Montana taxes
Montana
"The Treasure State"

Start Federal and Montana State Tax Returns

Start Montana State Tax Return Only



arrow Montana Income Taxes, Extension

How to file a Tax Amendment in Montana

Our efileTaxPro Tax Professional

You can file your Montana state tax amendment with the help of an efile TaxPro! Enjoy all the benefits of working with a TaxPro, including:

  • You can get answers to your tax questions from a licensed tax professional!
  • Have a Live and Online TaxPro complete your tax amendment for either the current or previous tax year(s) for you!
  • Enjoy the peace of mind that your taxes are being handled by a professional!

Start Working with a Tax Professional Now!

The price of having your tax amendment prepared and filed by an online TaxPro starts at only $ 49.90!

You can also download, fill out, and mail your tax amendment.

Montana State Tax Amendment Forms (download, print out, fill out, and mail)

Fill out the income tax form checking the box that says "Amended Return". When sending the tax amendment form make sure to attach any schedules and other documents that were used when making the original filing.

Form (Tax Year)Description
Form AMD Montana Individual Income Tax Amended Return Reconciliation
Form 2 (2014) 2014 form available soon
Form 2 (2013) Montana Individual Income Tax Return
Form 2 (2012) Montana Individual Income Tax Return
Form 2 (2011) Montana Individual Income Tax Return
Form 2 (2010) Montana Individual Income Tax Return
Form 2 (2009) Montana Individual Income Tax Return
Form 2 (2008) Montana Individual Income Tax Return

Penalties, Interest, and Fees

The state of Montana computes interest on both unpaid and overpaid taxes. Prior to 2007 the annual interest rate was set at 12%, but then it was changed to 8%.

A late payment penalty is waived if you provide the full payment including interest for any unpaid tax when filing your tax amendment form.

Where to mail your tax amendment - Montana Mailing Address:

Montana Department of Revenue

If you are expecting a refund or don't have to pay any tax, then mail to:

Montana Department of Revenue
P O Box 6577
Helena, MT 59604-6577

If payment is attached, then mail to:

Montana Department of Revenue
P O Box 6308
Helena, MT 59604-6308

Learn how to amend your IRS taxes.

More information on MT state taxes.

efile Your Taxes Now

bullet point Biggest Tax Refund Faster
bullet point Money Back Guarantee
bullet point Dare to Compare

Start Your Return FREE

Registered Users: Sign in Here