Idaho Code § 18-6012: Offenses against railroads.

Any person disturbing the peace of any traveler on any railway train, or breaking the seal or forcibly entering any car, or disturbing the contents of any car, or breaking any package therein, or breaking any package left at any depot for transportation or delivery, shall be guilty of a misdemeanor, and on conviction thereof shall be punished by a fine not exceeding one thousand dollars ($1,000), or by imprisonment in the county jail not exceeding six (6) months, or by both such fine and imprisonment.