Protection of United States Troops From Foreign Prosecution Act of 1999

Protection of United States Troops From Foreign Prosecution Act of 1999 - Prohibits any Federal agency from: (1) taking any action that has the effect of implementing the provisions of the Rome Statute of the International Criminal Court (ICC Treaty) (adopted in Rome, Italy, on July 17, 1998, by the United Nations Conference of Plenipotentiaries on the Establishment of an International Criminal Court); (2) providing funding or other support for the International Criminal Court; or (3) transferring any person to the Court.

Expresses the sense of Congress that the President should inform both allies and adversaries of the United States that ratification of the ICC Treaty will be considered an unfriendly act directed at the United States, and will adversely affect bilateral relations between the United States and that country.

Amends the Foreign Relations Act of 1961 to prohibit U.S. economic assistance to any country that ratifies the ICC Treaty.

Expresses the sense of Congress that the President should instruct the U.S. representative to the United Nations (UN) to veto any attempt by the UN Security Council to refer a matter to the Court for investigation.