Event Information
Third quarter 2017 estimated payments are due for:
3rd Quarter 2018 Individual, Pass-through, and Estate and Trust Estimated Payments Due
Individual Income Tax
2nd Quarter 2018 Individual, Pass-through, and Estate and Trust Estimated Payments Due
Event Information
Second quarter 2017 estimated payments are due for:
Payment Options
Individual Income Tax
Composite Income Tax and Estate and Trust Income Tax
1st Quarter 2018 Individual, Pass-through, Estate and Trust Estimated Payments Due
Event Information
First quarter 2017 estimated payments are due for:
Payment Options
Individual Income Tax
Composite Income Tax and Estate and Trust Income Tax
2017 Individual Income Tax Due
Event Information
2017 Individual Income Tax Returns are due.
See Individual Filing Options to find the best way to file for you.
Tax Returns and Filing Extensions for 2018
Individual income tax returns are due on April 17. If you are not ready to file by that date, you may take advantage of Montana’s automatic extension and file by October 15.
In prior years, a valid extension required a payment of 100% of the taxes owed in the previous year or 90% of the taxes due for the current year by the original due date of the return, usually April 15.
Beginning with tax year 2017, individual taxpayers are granted an automatic extension of time to file of up to six months. You do not have to file any form or pay any amount to qualify for the extension.
An extension to file the return is still not an extension to pay.
Although it is not required to receive an extension, individuals may still pay any additional tax due (after accounting for estimated payments and withholding) by the original due date of the return to avoid applicable late payment penalty and interest.
Learn more about your available payment options and filing options.
Congressional Changes Extend Tax Deductions
President Trump signed the Bipartisan Budget Act of 2018 on February 9, 2018. Tucked away in the bill are several federal extender provisions that expired but are now available through December 31, 2017.
What does this mean for the Montana tax return?
Two of the extended deductions impact the 2017 Montana Individual Income Tax return (Form 2):
- Tuition and Fees deduction, line 35 on Form 2
- Qualified Mortgage Insurance Premiums deduction, line 14 on Schedule III (Itemized Deductions)
The department previously voided and reserved these lines for future use, but will reactivate these lines to allow taxpayers to claim these deductions on the 2017 Montana Form 2.
Keep in mind that it may take a few weeks for tax software companies and tax agencies to update their products and systems to reflect these last-minute changes to the form. You can visit My Revenue to view the corrected version of the Montana Form 2 Booklet.
Please Contact Us for updates, developments, or if you have questions.