The Montana Department of Revenue has mailed several notices in recent weeks related to property reporting. Many taxpayers have found these notices confusing. It's important to know which of these reporting types apply to you and what your requirements are in order to avoid either unnecessary reporting or penalties for failure to report. PERSONAL PROPERTY (BUSINESS EQUIPMENT) If you received a letter that indicates you need to "report your personal property (business equipment)" then this is mandatory reporting and must be submitted online by March 1st to avoid a 20% penalty on the tax due. Personal property taxes (separate from real estate property tax) are billed and collected by the country treasurer. This tax essentially replaces sales tax on items such as business equipment, machinery, agricultural implements and equipment, furniture, fixtures and all other personal property. In the past, this reporting has been mailed to taxpayers including a list of