Whoever, by violence, enters a post-office car, or any part of any car, steamboat, or vessel, assigned to the use of the mail service, or willfully or maliciously assaults or interferes with any postal clerk in the discharge of his duties in connection with such car, steamboat, vessel, or apartment thereof, shall be fined under this title or imprisoned not more than three years, or both.
18 U.S. Code § 2116 - Railway or steamboat post office
Reference to persons aiding or assisting was deleted as unnecessary because such persons are made principals by section 2 of this title.
Minor changes were made in phraseology.
1996—Pub. L. 104–294 substituted “fined under this title” for “fined not more than $1,000”.