Mont. Code Ann. § 15-7-140

Each county treasurer shall include in the notice required by 15-16-101 (1), 15-16-119, and 15-24-202 a statement that property valuation staff employed by the department may enter private property to appraise or audit property for property tax purposes as provided in 15-7-139. The notice must include a statement of landowner rights in words substantially similar to: "You or your agent have the right to be present when your property is appraised or audited. If you wish to make an appointment for the next tax year, call (insert local department of revenue office phone number) or write your local department of revenue office between December 1 and December 31 of this year."