Idaho Code § 61-320

No common carrier, or any officer or agent thereof, or any person acting for or employed by it, shall, by means of known false billing, classification, weight, weighing or report of weight, or by any other device or means, assist, suffer or permit any corporation or person to obtain transportation for any person or property between points within this state at less than the rates and fares then established and in force as shown by the schedules filed and in effect at the time. No person or corporation, or any officer, agent, or employee of a corporation shall, by means of false billing, false or incorrect classification, false weight or weighing, false representation as to contents or substances of a package, or false report or statement of weight, or by any other device or means, whether with or without the consent or connivance of a common carrier or any of its officers, agent or employees, seek to obtain or obtain such transportation for such property at less than the rates then established and in force therefor.