Mont. Code Ann. § 20-9-331

(1) The county commissioners of each county shall levy an annual basic county tax of 33 mills on the dollar of the taxable value of all taxable property within the county, except for property subject to a tax or fee under 23-2-517, 23-2-803, 61-3-504(2), 61-3-521, 61-3-527, 61-3-321(2) or (3), 61-3-529, 61-3-537, 61-3-562, 61-3-570, and 67-3-204, for the purposes of local elementary equalization and state BASE funding program support. The revenue collected from this levy must be apportioned to the support of the elementary BASE funding programs of the school districts in the county and to the state general fund school equalization and property tax reduction account established in 20-9-336 in the following manner:

(a) In order to determine the amount of revenue raised by this levy that is retained by the county, the sum of the estimated revenue identified in subsection (2) must be subtracted from the total of the BASE funding programs of all elementary districts of the county.

(b) If the basic levy and other revenue prescribed by this section produce more revenue than is required to repay a state advance for county equalization, the county treasurer shall remit the surplus funds to the state treasurer department of revenue, as provided in 15-1-504, for deposit to the state general fund immediately upon occurrence of a surplus balance school equalization and each subsequent month thereafter, with any final remittance due no later than June 20 of property tax reduction account established in 20-9-336 immediately on occurrence of a surplus balance and the fiscal year for which the levy has been set. each subsequent month, with any final remittance due no later than June 20 of the fiscal year for which the levy has been set.

(2) The revenue realized from the county's portion of the levy prescribed by this section and the revenue from the following sources must be used for the equalization of the elementary BASE funding program of the county as prescribed in 20-9-335, and a separate accounting must be kept of the revenue by the county treasurer in accordance with 20-9-212(1):

(2) (a) The revenue realized from the county's portion of the federal Taylor Grazing Act funds distributed to a county levy prescribed by this section and designated for the common school fund under revenue from the provisions of 17-3-222; following sources must be deposited in the school equalization and property tax reduction account established in 20-9-336 and be used for the equalization of the elementary BASE funding program of the county as prescribed in 20-9-335:

(i) the portion of the federal Taylor Grazing Act funds designated for the elementary county equalization fund under the provisions of 17-3-222;

(ii) the portion of the federal flood control act funds distributed to a county and designated for expenditure for the benefit of the county common schools under the provisions of 17-3-232;

(iii) all money paid into the county treasury as a result of fines for violations of law under the provisions of 20-9-332, except money paid to a justice's court, and the use of which is not otherwise specified by law;

(iv) any money remaining at the end of the immediately preceding school fiscal year in the county treasurer's accounts for the various sources of revenue established or referred to in this section;

(v) any federal or state money distributed to the county as payment in lieu of property taxation, including federal forest reserve funds allocated under the provisions of 17-3-213; and

(vi) gross proceeds taxes from coal under 15-23-703.

(b) In accordance with 20-9-212(1), the portion county treasurer shall keep of a separate accounting of the federal flood control act funds distributed to a county and designated revenue provided for expenditure for the benefit of the county common schools under the provisions of 17-3-232; in subsection (2)(a).

(c) all money paid into the county treasury as a result of fines for violations of law, except money paid to a justice's court, and the use of which is not otherwise specified by law;

(d) any money remaining at the end of the immediately preceding school fiscal year in the county treasurer's accounts for the various sources of revenue established or referred to in this section;

(e) any federal or state money distributed to the county as payment in lieu of property taxation, including federal forest reserve funds allocated under the provisions of 17-3-213;

(f) gross proceeds taxes from coal under 15-23-703;

(g) oil and natural gas production taxes;

(h) anticipated local government severance tax payments for calendar year 1995 production as provided in 15-36-325; and

(i) anticipated revenue from property taxes and fees imposed under 23-2-517, 23-2-803, 61-3-504(2), 61-3-521, 61-3-527, 61-3-537, and 67-3-204.

Basic county tax and for other elementary revenues for equalization and other revenue for county equalization of the elementary district