15-37-103. Rate of tax. (1) The annual license tax to be paid by a person engaged in or carrying on the business of working or operating any mine or mining property in this state from which gold, silver, copper, lead, or any other metal or metals or precious or semiprecious gems or stones are produced shall be an amount computed on the gross value of product which may have been derived by the person from mining business, work, or operation within this state during the calendar year immediately preceding.
     (2) Concentrate shipped to a smelter, mill, or reduction work is taxed at the following rates:
      Gross Value            Rate of Tax of Product           (percentage of gross value)
     first $250,000          0%
     more than $250,000          1.81% of the increment
     (3) Gold, silver, or any platinum-group metal that is dore, bullion, or matte and that is shipped to a refinery is taxed at the following rates:
      Gross Value            Rate of Tax of Product           (percentage of gross value)
     first $250,000          0% more than $250,000          1.6% of the increment

     History: En. Sec. 4, Initiative No. 28, 1925; re-en. Sec. 2344.4, R.C.M. 1935; amd. Sec. 1, Ch. 220, L. 1957; amd. Sec. 1, Ch. 176, L. 1959; amd. Sec. 1, Ch. 9, Ex. L. 1969; amd. Sec. 1, Ch. 392, L. 1971; amd. Sec. 2, Ch. 126, L. 1975; amd. Sec. 5, Ch. 156, L. 1977; R.C.M. 1947, 84-2004; amd. Sec. 6, Ch. 619, L. 1983; amd. Sec. 3, Ch. 672, L. 1989.