(a) As used in this Code section, the term "labor organization" means any organization of any kind or any agency or employee representation committee or plan in which employees participate and which exists for the purpose, in whole or in part, of dealing with employers concerning grievances, labor disputes, wages, rates of pay, hours of employment, or conditions of work.
(b) It shall be unlawful for any carrier or shipper of property or any association of carriers or shippers to agree to pay or to pay to or for the benefit of a labor organization, directly or indirectly, any charge by reason of the placing upon, delivery to, or movement by rail or by railroad car of a motor vehicle, trailer, or container which is also capable of being moved or propelled upon the highways.
(c) It shall be unlawful for any labor organization to accept or receive from any carrier or shipper of property, or any association of such carriers or shippers, any payment described in subsection (b) of this Code section.
(d) Any corporation, association, organization, or person who agrees to pay, or who does pay, or who agrees to receive, or who does receive, any payment described in subsection (b) of this Code section shall be guilty of a misdemeanor. Each act of violation and each day during which such an agreement remains in effect shall constitute a separate and distinct offense.