Sheri Rosenow is a counsellor for the WTO, where she specializes in customs valuation, trade facilitation and other customs-related issues. On behalf of the WTO, she has trained government officials and members of the trade community in more than seventy countries. Brian O'Shea is an experienced customs consultant working on the implementation of automated systems, including risk assessment and valuation applications, in South Africa and Europe.

• 1. Introduction; 2. Transaction value method; 3. Alternative valuation methods; 4. Implementation and operation; 5. Administration and dispute settlement; 6. Conclusion; Appendices: WTO Valuation Agreement text; WTO Uruguay Round ministerial decisions; WTO/GATT Valuation Committee decisions; World Customs Organization Valuation database guidelines; World Customs Organization: measures to combat valuation fraud; WTO handbook on valuation notification requirements; WTO Dispute Settlement case summaries - customs valuation; WTO website and official documents.