(1) Annually, during the month of March, every rail carrier and other carrier subject to regulation by the Arkansas Department of Transportation under the laws of Arkansas shall prepare and transmit to the department a certified statement of the gross revenues from its operations in Arkansas for the preceding calendar year ending December 31.
(2) No deduction shall be made from such gross revenues on account of any payments, expenses, or uncollectible accounts, except refunds occasioned by errors or overcharges.
(3) Upon receipt of the certified statement, the department shall determine the total gross revenues in Arkansas of each and all of the rail carriers and the total gross revenues in Arkansas of each and all of the other carriers.