U.S.
Customs - Agency within the Department
of Treasury which has primary control over all cargo and means of
conveyance entering the United States.
Customs
Rulings Online Search System -
Here you will find rulings on different items other importers have
imported into the United States and U.S. Customs has made a final
ruling as to the classification and marking issues.
Food & Drug
Administration - Agency within the Department of Health and Human Services responsible
for maintaining purity in both foods and drugs.