CEFACT the umbrella organisation for Trade facilitation and UN/EDIFACT, from which site the UN/EDIFACT Directories can be downloaded ITIGG (subgroup of TBG3 for implementation guidelines), from which site the ITIGG implementation documentation can be downloaded WCO World Customs Organisation SMDG the organisation for Shipplanning and Message Design Guides, from which site the container guides can be downloaded eBES the eBusiness European Standardisation under CEN ebXML the site of the ebXML project