| Afghanistan | Competition Promotion and Consumer Protection Directorate (CPCPD) | |
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| Albania | Competition Authority | Consumer Protection Commission |
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| Algeria | Competition Council | |
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| Angola | Competition Regulatory Authority | |
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| Andean Community | General Secretariat | |
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| Argentina | National Commission for the Defense of Competition | Undersecretary of Consumer Defense |
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| Armenia | State Commission for the Protection of Economic Competition | |
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| Australia | Australian Competition and Consumer Commission (ACCC) |
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| Austria | Federal Competition Authority (BWB) | Federal Ministry for Social and Consumer Protection |
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| Azerbaijan | State Service for Antimonopoly Policy and Consumer Rights' Protection |
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| Bangladesh | Competition Commission | Directorate of National Consumer Rights Protection |
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| Barbados | Fair Trading Commission |
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| Belarus | The Antimonopoly Committee of the Republic of Belarus | |
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| Belgium | Belgian Competition Authority | Commission for the Protection of Privacy |
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| Benin | Ministry of Trade, Industry, and Employment Promotion; Management of Competition and Internal Trade | |
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| Bhutan | | Office of Consumer Protection, Ministry of Economic Affairs |
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| Bosnia & Herzegovina | Council of Competition | Council for Protection of Consumers |
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| Botswana | Competition Authority | Consumer Protection Unit, Department of Trade and Consumer Protection |
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| Brazil | Administrative Council for Economic Defense (CADE) | Office of Consumer Protection and Defense, Ministry of Justice |
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| Brunei Darussalam | Brunei Competition Commission | Competition and Consumer Affairs Department, Department of Economic Planning and Development |
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| Bulgaria | Commission on Protection of Competition (CPC) | Commission for Trade and Consumer Protection |
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| Burkina Faso | National Commission of Competition and Consumption | |
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| Cameroon | National Competition Committee | |
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| Canada | Competition Bureau Canada Competition Tribunal |
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| | Office of Consumer Affairs Consumer Measures Committee |
| Caribbean Community | CARICOM Competition Commission | |
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| Chile | National Economic Prosecutor Tribunal for the Defense of Free Competition | National Consumer Service (SERNAC) |
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| China | State Administration for Market Regulation | |
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| Colombia | Superintendence of Industry and Commerce |
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| Common Market for Eastern and Southern Africa (COMESA) | COMESA Competition Commission | |
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| Costa Rica | Commission for the Promotion of Competition | Consumer Protection Agency |
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| Côte d’Ivoire | Competition Commission Department of Competition | |
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| Croatia | Croatian Competition Agency | Consumer Protection Department, Ministry of Economy, Labour and Entrepreneurship |
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| Curaçao | Fair Trade Authority | |
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| Cyprus | Commission for the Protection of Competition | Commission for Personnel Data Protection |
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| Czech Republic | Office for the Protection of Competition | Ministry of Industry and Trade |
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| Denmark | Danish Competition and Consumer Authority |
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| | Danish Consumer Ombudsman |
| Dominican Republic | Procompetencia | Pro-Consumidor |
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| East African Community | Competition Authority | Economic and Monetary Community of Central Africa (CEMAC) |
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| Ecuador | Superintendent for the Control of Market Power | |
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| Economic Community of West African States (ECOWAS) | ECOWAS Regional Competition Authority (ERCA/ARCC) | |
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| Egypt | Egyptian Competition Authority | Egyptian Consumer Protection Agency |
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| El Salvador | Superintendence of Competition | Defensoría del Consumidor |
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| Estonia | Competition Authority | Consumer Protection Board |
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| Eswatini | Eswatini Competition Commission |
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| Ethiopia | Ethiopian Trade Competition and Consumer Protection Authority | |
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| Eurasian Economic Commission | Eurasian Economic Commission | |
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| European Union | Competition Directorate (DG- COMP) | Health and Consumer Directorate (DG-SANCO) |
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| European Free Trade Association | EFTA Surveillance Authority | |
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| Faroe Islands | Faroese Competition Authority | |
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| Fiji | Commerce Commission | |
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| Finland | Competition and Consumer Authority |
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| France | Competition Authority | Directorate-General of Competition, Consumption and the Repression of Fraud |
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French Polynesia Polynesian Competition Authority | |
| Gambia | Competition and Consumer Protection Commission |
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| Georgia | Georgian Competition and Consumer Agency |
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| Germany | Federal Cartel Office | German Ministry for Consumer Protection, Food and Agriculture |
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| Greece | Hellenic Competition Commission | General Secretariat of Consumer Affairs |
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| Greenland | Greenland Competition Authority | |
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| Guernsey | Channel Islands Competition and Regulatory Authorities |
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| Guyana | Competition and Consumer Affairs Commission |
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| Honduras | Commission for the Defense and Promotion of Competition | Honduras Consumer Protection Agency |
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| Hong Kong | Competition Commission | |
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| Hungary | Hungarian Competition Authority | Hungarian Authority for Consumer Protection |
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| Iceland | Competition Authority | The Consumer Agency |
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| India | Competition Commission of India National Company Law Appellate Tribunal | Department of Consumer Affairs |
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| Indonesia | Commission for the Supervision of Business Competition (KPPU) | National Consumer Protection Agency |
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| Iran | Competition Council | |
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| Ireland | The Competition and Consumer Protection Commission |
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| Israel | Israel Antitrust Authority (IAA) | Director of Consumer Protection |
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| Italy | Italian Competition Authority |
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| | Ministry for Economic Development, Directorate-General for Market Harmonization and Consumer Protection (DGAMTC) |
| Jamaica | Fair Trading Commission | Consumer Affairs Commission |
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| Japan | Japan Fair Trade Commission | Consumer Affairs Agency |
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| Jersey | Channel Islands Competition and Regulatory Authorities |
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| Jordan | Competition Directorate at the Ministry of Industry and Trade | |
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| Kazakhstan | Agency for Competition Protection | |
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| Kenya | Competition Authority of Kenya |
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| Kosovo | Kosovo Competition Commission | |
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| Kuwait | Competition Protection Authority | |
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| Kyrgyz Republic | State Commission for Antimonopoly Policy | |
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| Latvia | Competition Council | Consumer Rights Protection Centre |
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| Liechtenstein | Office of Economic Affairs (AVW) | |
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| Lithuania | Competition Council | State Consumer Rights Protection Authority |
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| Luxembourg | Competition Council | |
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| Macedonia | Commission for Protection of Competition | |
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| Madagascar | Competition Council | |
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| Malawi | Competition and Fair Trading Commission |
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| Malaysia | Malaysia Competition Commission | |
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| Mali | National Directorate for Commerce and Competition (DNCC) | |
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| Malta | Competition and Consumer Affairs Authority |
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| Mauritius | Competition Commission of Mauritius | Consumer Protection Unit, Ministry of Commerce and Consumer Protection |
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| Mexico | Federal Economic Competition Commission | Federal Consumer Protection Commission (Profeco) |
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| Moldova | Competition Council | |
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| Mongolia | Authority for Fair Competition and Consumer Protection |
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| Montenegro | Administration for Protection of Competition | |
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| Morocco | Competition Council | |
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| Mozambique | Competition Regulatory Authority | |
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| Namibia | Competition Commission | |
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| Netherlands | Netherlands Authority for Consumers & Markets |
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| New Zealand | Commerce Commission | Ministry of Consumer Affairs |
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| Nicaragua | Procompetencia | |
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| Nigeria | Federal Competition and Consumer Protection Commission |
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| Norway | Norwegian Competition Authority | Norwegian Consumer Ombudsman |
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| Oman | | Public Authority for Consumer Protection |
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| Pakistan | Competition Commission of Pakistan |
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| Panama | Authority for Consumer Protection and Competition Defense |
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| Papua New Guinea | Independent Consumer and Competition Commission |
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| Paraguay | National Competition Commission (CONACOM) | National Integrated Consumer Protection System |
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| Peru | National Institute for the Defense of Competition and the Protection of Intellectual Property (INDECOPI) |
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| Philippines | Philippine Competition Commission | Bureau of Trade Regulation and Consumer Protection, Department of Trade and Industry |
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| Poland | Office of Competition and Consumer Protection |
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| Portugal | Competition Authority | National Commission for Data Protection Directorate- General for Consumers, Ministry of Economy and Innovation (DGC) |
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| Qatar | Competition Protection and Anti-Monopoly Committee | |
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| Romania | Competition Council | National Authority for Consumer Protection |
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| Russian Federation | Federal Antimonopoly Service | Federal Service on Customers' Rights |
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| Saudi Arabia | General Authority for Competition | Consumer Protection Association |
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| Senegal | National Competition Commission | |
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| Serbia | Commission for the Protection of Competition (CPC) | Sector for Trade, Consumer Protection and Price Policy, Ministry of Trade and Services |
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| Seychelles | Seychelles Fair Trading Commission | |
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| Singapore | Competition and Consumer Commission |
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| Slovak Republic | Antimonopoly Office | Consumer Protection Department, Ministry of Economy |
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| Slovenia | Competition Protection Office | |
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| South Africa | Competition Commission | National Consumer Commission |
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| Competition Tribunal | National Consumer Tribunal |
| South Korea | Korea Fair Trade Commission (KFTC) | |
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| Spain | National Commission of Markets and Competition | National Institute of Consumers |
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| Sri Lanka | | Consumer Affairs Authority |
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| Sweden | Swedish Competition Authority | Swedish Consumer Agency |
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| Switzerland | Competition Commission | Federal Consumer Affairs Bureau |
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| Syria | Competition Commission | |
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| Taiwan | Fair Trade Commission | Consumer Protection Committee, Executive Yuan |
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| Tajikistan | State Agency on Antimonopoly Policy and Support of Entrepreneurship, Ministry of Economics and Trade | |
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| Tanzania | Fair Competition Commission | |
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| Thailand | Office of Trade Competition Commission (OTCC) | Consumer Protection Board |
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| Trinidad and Tobago | Fair Trading Commission | |
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| Tunisia | Competition Council General Director of Competition and Domestic Trade | |
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| Turkey | Turkish Competition Authority (Rekabet Kurumu) | |
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| Ukraine | Antimonopoly Committee | State Committee of Ukraine for Technical Regulation and Consumer Policy |
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| United Arab Emirates | Competition Regulation Committee of the Ministry of Economy | |
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| United Kingdom | Competition and Markets Authority |
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| United States | Federal Trade Commission |
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| Department of Justice | |
| Uruguay | Commission for Promotion and Defense of Competition | Consumer Defense Area, Directorate-General of Commerce, Ministry of Economy and Finance (ADECO) |
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| Uzbekistan | Antimonopoly Committee | |
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| Venezuela | Superintendence for the Promotion and Protection of Free Competition (Pro-Competencia) | Institute for the Defense of People's Access to Goods and Services |
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| Vietnam | Vietnam Competition Authority Vietnam Competition Council |
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| West African Economic and Monetary Union | | |
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| Yemen | Public Administration to Promote Competition and Prevent Monopoly and Commercial Fraud | Ministry of Industry and Trade |
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| Zambia | Zambia Competition and Consumer Protection Commission |
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| Zimbabwe | Competition and Tariff Commission |
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