Mont. Code Ann. § 7-35-2131

Any public cemetery district formed under the provisions of this part which shall have established and be maintaining a cemetery shall provide, in the manner set forth in 7-35-2131 through 7-35-2150, for the establishment and maintenance of a permanent fund, the income of which shall be devoted to the care, maintenance, and improvement of such cemetery. This fund shall be known as the permanent care and improvement fund of such public cemetery district.