Tariff 32 Foreign trade regulation 31 GATT 15 International trade 14 Law and legislation 10 Commercial policy 7 Commerce 6 Developing countries 6 General Agreement on Tariff and Trade 6 Trade 6 World Trade Organization 5 Free trade 4 History 4 Commercial treaties 3 Economic conditions 3 General Agreement on Tariff and Trade (GATT) 3 General agreement on tariff and trade 3 International commercial arbitration 3 Non-tariff trade barriers 3 Tariff --Law and legislation 3 Tariff preferences 3 Tariffs 3 WTO 3 Agricultural Economics 2 Biotechnology 2 Biotechnology (General), (Revised June 2002) 2 Commercial treatises 2 Dispute resolution (Law) 2 Equilibrium 2 GATT/General Agreement on Tariff and Trade 2