Affidavit of One and The Same (Form AOS) - Montana Department of Revenue

Education Donation Credits

The Education Donations Portal 2.0 is Now Available!

You may now register to receive donations as a Montana Public School District or Student Scholarship Organization.

For more information on tax credits for qualified education contributions, please see our guide.

Register an Organization

Helpful Resources

Citizen Services Call Center

Contact Us Online

Phone: (406) 444-6900
TDD: Montana Relay 711
Email: DORHelp@mt.gov

We’re available Monday through Thursday, 9:00 a.m. until 4:00 pm. and Friday, 9:00 a.m. until 1:00 p.m.

Taxpayer Advocate

If you need help working with the department or figuring out our audit, appeals, or relief processes, the Taxpayer Advocate can help.

Learn More

Payment and Filing Options

Payment Options

TransAction Portal (TAP): Make payments online using the TransAction Portal.
Request a Payment Plan: You can request a payment plan for making tax payments through TAP. Requesting a payment plan requires you to be logged in. Learn more about Requesting a payment plan.
Payment Vouchers: You may also make payments by mail using a payment voucher. The appropriate payment vouchers for each tax taype are available in our Forms Repository.

Filing Options

Free File Alliance: The Free File Alliance allows commercial income tax software providers to offer free tax filing services to qualified taxpayers.
Approved Software Providers: Commercial software available from software providers.
TransAction Portal (TAP): Businesses, Alcoholic Beverage Licensees, and Livestock Owners can file and renew most account types through TAP.
MT QuickFile: You may use MTQuickfile to file for your Montana Elderly Homeowner/Renter Credit if you do not otherwise have a filing obligation.
Paper Forms: You may download and print the forms you need from our forms library.

Montana Individual Income Tax Resources

The Department of Revenue works hard to ensure we process everyone’s return as securely and quickly as possible.

Unfortunately, it can take up to 90 days to issue your refund and we may need to ask you to verify your return.

We encourage all Montanans to file early and electronically. This is the easiest and most secure way to file and get your refund as quickly as possible.

Remember, we are here to help. Please contact us if you need additional assistance.

Where's My Refund?

Check the status of your refund in the TransAction Portal (TAP)

Are you working remotely in Montana?: You must pay Montana state income tax on any wages received for work performed while in Montana, even if your job is normally based in another state.; Learn more about Montana Residency or see the Nonresident/Part-Year Resident Ratio Schedule instructions in the Montana Individual income Tax Return (Form 2) Instruction Booklet for more information.

My Revenue is Retiring on July 23, 2021

The My Revenue portal will no longer be available after July 23, 2021. Department of Revenue forms will be made available on MTRevenue.gov.

If you have records currently saved in My Revenue, we ask you to log into your My Revenue account and download them before July 23, 2021.

Log into My Revenue

A Special Note on COVID-19

We understand COVID-19 impacts all aspects of our community. Throughout this event, we will work hard to keep you updated on the impact COVID-19 has on taxation, alcoholic beverage control, and property assessment.

We serve the people of Montana and are here to help you through this time of crisis.

If you have been impacted by COVID-19 and are facing hardships, we will work with you to find a solution.

To see how other agencies have been impacted by COVID-19 go to COVID19.mt.gov.

We are continually reviewing due dates and deadlines. Please check back regularly or subscribe for COVID-19 updates to receive notifications for future changes.

Information Regarding COVID-19 Stimulus Payments

Stimulus payments are being issued by the IRS.

The Montana Department of Revenue is unable to assist in securing your stimulus payment.

You can check on the status of your COVID-19 Stimulus payment at IRS.gov/Coronavirus/Get-My-Payment.

Subscribe for Updates on COVID-19’s Impact to the Department of Revenue

See all department updates on COVID-19

Other COVID-19 Resources

Coronavirus.gov: The offficial portal for the White House’s Coronavirus Task Force
USA.Gov Coronavirus Website: A list of all federal agency coronavirus activities.
COVID19.mt.gov: The State of Montana Joint Information Center for all COVID-19 Impacts.
IRS Coronavirus Tax Relief: The official IRS updates on coronavirus impacts, tax relief, and stimulus checks.
Get My Payment by IRS.gov: Information on the Coronavirus Stimulus Payments provided by the IRS.

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