The Montana Department of Revenue may send a taxpayer a letter by U.S. Mail to confirm that person’s identity. This letter will ask the taxpayer to send copies of identifying [...]
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.