(a) Any railroad employee who demands or receives from any shipper extra pay over and above the legal freight rate for placing or furnishing cars for the shipment of freight shall be guilty of a misdemeanor and on conviction shall be fined in any sum not less than one hundred dollars ($100) nor more than two hundred dollars ($200). Each car so placed or furnished shall be deemed a separate offense.
(b) Any shipper or other person who gives or offers to give any such extra pay to any such employee shall be guilty of a misdemeanor and shall be fined in any sum not less than one hundred dollars ($100) nor more than two hundred dollars ($200).