18 U.S.C. § 1717 : US Code - Section 1717: Letters and writings as nonmailable

Search 18 U.S.C. § 1717 : US Code - Section 1717: Letters and writings as nonmailable

(a) Every letter, writing, circular, postal card, picture, print,
engraving, photograph, newspaper, pamphlet, book, or other
publication, matter or thing, in violation of sections 499, 506,
793, 794, 915, 954, 956, 957, 960, 964, 1017, 1542, 1543, 1544 or
2388 of this title or which contains any matter advocating or
urging treason, insurrection, or forcible resistance to any law of
the United States is nonmailable and shall not be conveyed in the
mails or delivered from any post office or by any letter carrier.
(b) Whoever uses or attempts to use the mails or Postal Service
for the transmission of any matter declared by this section to be
nonmailable, shall be fined under this title or imprisoned not more
than ten years or both.