Waiting for Your Refund?
Check the status of your refund with the “Where’s My Refund?” tool in our TransAction Portal (TAP).
Filing Online is Faster and Safer
If you would prefer to e-file your return or need additional assistance filing, please see additional filing options.
You may use this form to file your Montana individual income tax return.
Mailing Your Individual Income Tax Return
If you are owed a refund or are not including a payment, mail your return to:
Montana Department of RevenuePO Box 6577
Helena, MT 59604-6577
If you are mailing a payment with your return, mail your return to:
Montana Department of RevenuePO Box 6308
Helena, MT 59604-6308