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The Harmonized System is normally amended by the World Customs Organization every four to six years. These amendments pose considerable challenges for the WTO and its Members. On the one hand, Members need to periodically update their historical schedules of concessions into the latest nomenclature. On the other hand, these amendments may have implications for the definition and thus also the implementation of some WTO agreements where the product coverage is defined in terms of the HS. In either case, the product codes and/or descriptions in the old HS version need to be transposed precisely into those in the new version of HS nomenclature in order to retain the historical concessions or the product coverage unchanged. Given the complexity of HS amendments, this process could be very technical and sometimes tricky.

This paper starts by providing an overview of the HS amendments and proposing a categorization of those HS changes in the context of transposition. It then looks back at the history of the introduction of the HS and its subsequent amendments into the WTO schedules and assesses the difficulties and problems which have been faced by WTO Members. On the basis of such analysis, it introduces the successful procedures and methodologies used by WTO Members and the WTO Secretariat to deal with the recent HS2002 transposition. The paper also discusses the implications of the HS amendments to three WTO agreements and the possible approaches to transpose their product lists into a new HS nomenclature.

Nº: ERSD-2008-02

Autores:
Dayong Yu — OMC

Fecha de redacción: febrero de 2008

Palabras clave:

WTO, Schedule of Concessions, Harmonized System, Transposition

Código JEL:

F10, F13

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Este es un documento de trabajo y se refiere, por consiguiente, a un estudio en curso. Refleja las opiniones personales de funcionarios o especialistas invitados y es el resultado de trabajos de investigación profesionales. No pretende reflejar la posición o las opiniones de la OMC o de sus Miembros ni la posición oficial de ningún funcionario. Los errores que puedan existir son responsabilidad de los autores. Pueden obtenerse ejemplares de este documento de trabajo en la Secretaría de la División, en la dirección siguiente: División de Desarrollo y Estudios Económicos, Organización Mundial del Comercio, rue de Lausanne 154, CH-1211 Ginebra 21, Suiza. Sírvanse indicar en su solicitud el título y el número del documento.

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