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Preface to this Volume
(544 words)

Non-tariff barriers have long overtaken tariff barriers as the focal points of governmental interventions in international trading relations and as a matter of WTO law. This development towards greater prominence of non-tariff barriers was already evident prior to the creation of the WTO through various plurilateral codes on matters as varied as trade remedies (anti-dumping, subsidies and safeguards) as well as various subject specific codes.

One of these subject matters was the 1979 Agreement on Technical Barriers to Trade (Document code LT/TR/A/5), often referred to as the…

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Wagner, Markus, “Preface to this Volume”, in: Commentaries on World Trade Law Online, Peter-Tobias Stoll and Holger Hestermeyer (General Editors); Laura Wanner, Gregory Messenger, Kiliane Huyghebaert, Jin Woo Kim, Markus Wagner, Patrick Abel, Christian Riffel (Volume Editors). Consulted online on 22 September 2023 <>
First published online: 2022

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