The Creator of the innovative Export Master® program

Customs, Customs Duties, and Shipping

Harmonized Description and Coding System (HS) World Customs Organization
http://www.wcoomd.org

Customs codes for import and export.
http://www.foreign-trade.com/reference/hscode.htm

See how much is left of quota remains.
http://ec.europa.eu/taxation_customs/common/databases/quota/index_en.htm

Freight and Deliveries

ICC, International Chamber of Commerce home page, with a lot of information including Incoterms.
http://www.iccwbo.org/incoterms/id3040/index.html

Incoterms http://en.wikipedia.org/wiki/Incoterms
Incoterms http://www.pbb.com/en/tools/incoterms/incoterms2000.pdf

ATA carnet. Updated info at: 
http://www.chamber.ca/carnet

Links to trade barrier and market access. Good info about importing.
http://madb.europa.eu/madb/indexPubli.htm