15-59-105. Quarterly statement and payment of tax. (1) Each person shall, within 30 days after the end of each quarter, make out on forms prescribed by the department of revenue and deliver to the department a statement showing the total number of tons of cement or gypsum produced by the person or used by the person in the manufacture of the respective articles or products enumerated in 15-59-101(2) and 15-59-102 or imported by the person into the state of Montana for sale or use during each month of the quarter and during the whole quarter and other information that the department may require, together with the total amount due to the state as license taxes for the quarter.
(2) The annual license tax as imposed by 15-59-102 must be paid in quarterly installments for the quarters ending March 31, June 30, September 30, and December 31 of each year, and the amount of the license tax due for each quarter must be paid to the department within 30 days after the end of each quarter and at the same time the statement is delivered to the department.
(3) Any person engaged in carrying on a cement production business at more than one place or operating more than one factory or plant in this state may include all locations in one statement.
(4) The department may grant a reasonable extension of time for filing statements and payment of taxes due upon good cause shown.