http://www.cbp.gov   Read the U.S. Customs Service homepage.

http://www.cbp.gov  Check the U.S. Treasury Department Customs Service’s Traveler Information, Know Before You Go web page.  It contains information on U.S. Custom’s declarations, duty free exemptions, prohibited and restricted articles and the procedures for shipping items back to the U.S.

http://www.cbp.gov  Peruse the U.S. Customs Service Traveler Information web page. It contains links to the services the U.S. Customs Service provides to travelers.  In addition, some of the web sites are also individually linked to this web page for your convenience.