SECTION 198A. Unauthorized sale at less than full fare

Whoever, except a person authorized so to do by the railroad corporation issuing the same, or a bona fide passenger in actual transit, sells or offers for sale any railroad ticket or portion of such a ticket entitling the holder or any specified person or persons to passage wholly within the commonwealth on any railroad passenger train or trains, such ticket or portion of a ticket having been put out by the railroad corporation issuing the same at a price less than the rate of a full one way fare for such passage under the tariff provisions then in force, shall be punished by a fine of not more than one hundred dollars or by imprisonment for not more than one month, or both.