Whoever, by virtue of his employment by the United States, obtains from another or has or has had custody of or access to, any official diplomatic code or any matter prepared in any such code, or which purports to have been prepared in any such code, and without authorization or competent authority, willfully publishes or furnishes to another any such code or matter, or any matter which was obtained while in the process of transmission between any foreign government and its diplomatic mission in the United States, shall be fined under this title or imprisoned not more than ten years, or both.

Any citizen of the United States, wherever he may be, who, without authority of the United States, directly or indirectly commences or carries on any correspondence or intercourse with any foreign government or any officer or agent thereof, with intent to influence the measures or conduct of any foreign government or of any officer or agent thereof, in relation to any disputes or controversies with the United States, or to defeat the measures of the United States, shall be fined under this title or imprisoned not more than three years, or both.

This section shall not abridge the right of a citizen to apply, himself or his agent, to any foreign government or the agents thereof for redress of any injury which he may have sustained from such government or any of its agents or subjects.

Whoever, in relation to any dispute or controversy between a foreign government and the United States, willfully and knowingly makes any untrue statement, either orally or in writing, under oath before any person authorized and empowered to administer oaths, which the affiant has knowledge or reason to believe will, or may be used to influence the measures or conduct of any foreign government, or of any officer or agent of any foreign government, to the injury of the United States, or with a view or intent to influence any measure of or action by the United States or any department or agency thereof, to the injury of the United States, shall be fined under this title or imprisoned not more than ten years, or both.

Whoever, within the United States, purchases or sells the bonds, securities, or other obligations of any foreign government or political subdivision thereof or any organization or association acting for or on behalf of a foreign government or political subdivision thereof, issued after April 13, 1934, or makes any loan to such foreign government, political subdivision, organization or association, except a renewal or adjustment of existing indebtedness, while such government, political subdivision, organization or association, is in default in the payment of its obligations, or any part thereof, to the United States, shall be fined under this title or imprisoned for not more than five years, or both.

Whoever, in aid of any foreign government, knowingly and willfully possesses or controls any property or papers used or designed or intended for use in violating any penal statute, or any of the rights or obligations of the United States under any treaty or the law of nations, shall be fined under this title or imprisoned not more than ten years, or both.

Any citizen of the United States who, within the jurisdiction thereof, accepts and exercises a commission to serve a foreign prince, state, colony, district, or people, in war, against any prince, state, colony, district, or people, with whom the United States is at peace, shall be fined under this title or imprisoned not more than three years, or both.

Whoever, within the United States, knowingly begins or sets on foot or provides or prepares a means for or furnishes the money for, or takes part in, any military or naval expedition or enterprise to be carried on from thence against the territory or dominion of any foreign prince or state, or of any colony, district, or people with whom the United States is at peace, shall be fined under this title or imprisoned not more than three years, or both.

Whoever, within the United States, increases or augments the force of any ship of war, cruiser, or other armed vessel which, at the time of her arrival within the United States, was a ship of war, or cruiser, or armed vessel, in the service of any foreign prince or state, or of any colony, district, or people, or belonging to the subjects or citizens of any such prince or state, colony, district, or people, the same being at war with any foreign prince or state, or of any colony, district, or people, with whom the United States is at peace, by adding to the number of the guns of such vessel, or by changing those on board of her for guns of a larger caliber, or by adding thereto any equipment solely applicable to war, shall be fined under this title or imprisoned not more than one year, or both.

Whoever, within the United States, furnishes, fits out, arms, or attempts to furnish, fit out or arm, any vessel, with intent that such vessel shall be employed in the service of any foreign prince, or state, or of any colony, district, or people, to cruise, or commit hostilities against the subjects, citizens, or property of any foreign prince or state, or of any colony, district, or people with whom the United States is at peace; or

Whoever issues or delivers a commission within the United States for any vessel, to the intent that she may be so employed—

Shall be fined under this title or imprisoned not more than three years, or both.

Every such vessel, her tackle, apparel, and furniture, together with all materials, arms, ammunition, and stores which may have been procured for the building and equipment thereof, shall be forfeited, one half to the use of the informer and the other half to the use of the United States.