Affidavits relating to mailings; second class mail

§ 4368. Affidavits relating to mailings; second class mail The Postmaster General may require when he deems it necessary— (1) a publisher of a second class publication; or (2) a news agent who distributed the publication; or (3) an employee of the publisher or news agent to make an affidavit in the form prescribed by the Postmaster General, stating that he will not send or knowingly permit to be sent through the mails a copy of the publication without prepayment of postage thereon at the rate prescribed by law.