If you are a U.S. citizen traveling between the United States and its territories, such as the U. S. Virgin Islands, Guam, Puerto Rico , American Samoa and others, you are not required to travel with a passport.
Additional information relating to travel to non-U.S. Territories:The Intelligence Reform and Terrorism Prevention Act of 2004 requires that by January 1, 2008, travelers to and from the Caribbean, Bermuda , Panama, Mexico and Canada have a passport or other secure, accepted document to enter or re-enter the United States. In order to facilitate the implementation of this requirement, the Administration is proposing to complete it in phases following a proposed timeline, which will be published in the Federal Register in the near future.
In the proposed implementation plan, which is subject to a period of initial public comment, the Initiative will be rolled out in phases, providing as much advance notice as possible to the affected public to enable them to meet the terms of the new guidelines. The proposed timeline will be as follows:
December 31, 2006 - Requirement applied to all air and sea travel to or from Canada, Mexico, Central and South America, the Caribbean, and Bermuda. December 31, 2007 - Requirement extended to all land border crossings as well as air and sea travel.
Travel Between the United States and U.S. Territories
WHTI will not affect travel between the United States and its territories. U.S. citizens traveling directly between the United States, Puerto Rico, the U.S. Virgin Islands, Guam, the Northern Mariana Islands, and American Samoa will continue to be able to use established forms of identification to board flights and for entry.