There are two main principles of non-discrimination in WTO law: the most-favoured-nation (MFN) treatment obligation and the national treatment obligation. In simple terms, the MFN treatment obligation prohibits a country from discriminating between other countries; the national treatment obligation prohibits a country from discriminating against other countries. This chapter examines these two principles of non-discrimination as they apply to trade in goods and trade in services.
Discrimination between, as well as against, other countries was an important characteristic of the protectionist trade policies pursued by many countries during the Great Depression of the 1930s. Historians now regard these discriminatory policies as an important contributing cause of the economic and political crises that resulted in the Second World War. Discrimination in trade matters breeds resentment among the countries, manufacturers, traders and workers discriminated against. Such resentment poisons international relations and may lead to economic and political confrontation and conflict. In addition, discrimination makes scant economic sense, generally speaking, since it distorts the market in favour of products and services that are more expensive and/or of a lower quality. Eventually, it is the citizens of the discriminating country that end up ‘paying the bill’ for the discriminatory trade policies pursued.
The importance of eliminating discrimination in the context of the WTO is highlighted in the Preamble to the WTO Agreement, where the ‘elimination of discriminatory treatment in international trade relations’ is identified as one of the two main means by which the objectives of the WTO may be attained.
Most-favoured-nation (MFN): treating other people equally under the WTO agreements, countries cannot normally discriminate between their trading partners. Grant someone a special favour (such as a lower customs duty rate for one of their products) and you have to do the same for all other WTO members.
This principle is known as most-favoured-nation (MFN) treatment. It is so important that it is the first article of the General Agreement on Tariffs and Trade (GATT), which governs trade in goods. MFN is also a priority in the General Agreement on Trade in Services (GATS) (Article 2) and the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) (Article 4), although in each agreement the principle is handled slightly differently. Together, those three agreements cover all three main areas of trade handled by the WTO.
Some exceptions are allowed. For example, countries can set up a free trade agreement that applies only to goods traded within the group discriminating against goods from outside. Or they can give developing countries special access to their markets. Or a country can raise barriers against products that are considered to be traded unfairly from specific countries. And in services, countries are allowed, in limited circumstances, to discriminate. But the agreements only permit these exceptions under strict conditions. In general, MFN means that every time a country lowers a trade barrier or opens up a market, it has to do so for the same goods or services from all its trading partners whether rich or poor, weak or strong.
National Treatment: Treating foreigners and locals equally Imported and locally-produced goods should be treated equally at least after the foreign goods have entered the market. The same should apply to foreign and domestic services, and to foreign and local trademarks, copyrights and patents. This principle of “national treatment” (giving others the same treatment as one’s own nationals) is also found in all the three main WTO agreements (Article 3 of GATT, Article 17 of GATS and Article 3 of TRIPS), although once again the principle is handled slightly differently in each of these.
National treatment only applies once a product, service or item of intellectual property has entered the market. Therefore, charging customs duty on an import is not a violation of national treatment even if locally-produced products are not charged an equivalent tax.
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