(1) Every person or corporation operating any railroad or express business in this state is required to furnish the Arkansas Department of Transportation, within fifteen (15) days after notice to do so, with the rate sheet and tariff charges for transportation of every kind over the railroad.
(2) The department shall fix rates and tariffs of charges accordingly for those express companies and railroads, the officers of which fail to furnish rate sheets or tariffs of charges as required in subsection (a) of this section.