Mont. Code Ann. § 15-38-105
A person who engages in or carries on the business of mining, extracting, or producing a mineral from any quartz vein or lode, placer claim, dump or tailings, or other place or source shall file an annual statement of gross yield of the mineral from each mine owned or worked by that person during the calendar year. This statement must be in the form prescribed by the department and must be signed by the person or the manager, superintendent, agent, president, or vice-president of the corporation, association, or partnership, if any. Metal producers shall deliver the statement to the department on or before March 31 following the end of the calendar year. Mineral producers shall deliver the statement to the department on or before the 60th day following the end of the calendar year. The statement must show the following:
History: En. 84-7005 by Sec. 5, Ch. 497, L. 1973; R.C.M. 1947, 84-7005; amd. Sec. 3, Ch. 334, L. 1981; amd. Sec. 1, Ch. 226, L. 1983; amd. Sec. 6, Ch. 128, L. 1989; amd. Sec. 34, Ch. 451, L. 1995.