Whoever enters or introduces, or attempts to enter or introduce, into the commerce of the United States any imported merchandise by means of any fraudulent or false invoice, declaration, affidavit, letter, paper, or by means of any false statement, written or verbal, or by means of any false or fraudulent practice or appliance, or makes any false statement in any declaration without reasonable cause to believe the truth of such statement, or procures the making of any such false statement as to any matter material thereto without reasonable cause to believe the truth of such statement, whether or not the United States shall or may be deprived of any lawful duties; or

Whoever is guilty of any willful act or omission whereby the United States shall or may be deprived of any lawful duties accruing upon merchandise embraced or referred to in such invoice, declaration, affidavit, letter, paper, or statement, or affected by such act or omission—

Shall be fined for each offense under this title or imprisoned not more than two years, or both.

Nothing in this section shall be construed to relieve imported merchandise from forfeiture under other provisions of law.

The term “commerce of the United States”, as used in this section, shall not include commerce with the Virgin Islands, American Samoa, Wake Island, Midway Islands, Kingman Reef, Johnston Island, or Guam.