§ 1733 — Mailing Periodical Publications Without Prepayment Of Postage

Whoever, except as permitted by law, knowingly mails any periodical publication without the prepayment of postage, or, being an officer or employee of the Postal Service, knowingly permits any periodical publication to be mailed without prepayment of postage, shall be fined under this title, or imprisoned not more than one year, or both.