American Sovereignty Restoration Act of 1999

American Sovereignty Restoration Act of 1999 - Repeals: (1) the United Nations Participation Act of 1945; (2) the United Nations Headquarters Agreement Act; (3) the United Nations Educational, Scientific, and Cultural Organization Act; and (4) the United Nations Environment Program Participation Act of 1973. Directs the President to terminate U.S. participation in the United Nations (UN), including any organ, specialized agency, commission, or other affiliated body.

Requires closure of the United States Mission to the UN.

Prohibits the authorization of funds for the U.S. assessed or voluntary contribution to the UN.

Prohibits: (1) the authorization of funds for any U.S. contribution to any UN military operation; and (2) the expenditure of funds to support the participation of U.S. armed forces as part of any UN military or peacekeeping operation. Bars U.S. armed forces from serving under UN command.

Prohibits the use of any U.S. facility or property by the UN or any of its affiliated agencies. Repeals diplomatic immunity for foreign UN employees (including families or servants of such employees).

Terminates the United States: (1) membership in World Health Organization (WHO); and (2) participation in all conventions and-or agreements with the UN.

Declares that nothing in this Act shall affect the rights regarding reemployment of employees with the Government after service with an international organization.

Requires the Secretary of State to notify the UN of the provisions of this Act.