| Agreement Establishing the European Bank for Reconstruction and Development | 29.5.1990 |
| Convention Establishing the Multilateral Investment Guarantee Agency | 11.10.1985 |
| Convention Establishing the European Telecommunications Satellite Organisation (EUTELSAT) | 15.7.1982 |
| Convention on the International Maritime Satellite Organisation | 3.9.1976 |
| Agreement Relating to the International Telecommunications Satellite Organisation (INTELSAT) | 20.8.1971 |
| Amendment to Article III of the Articles of Agreement of the International Bank for Reconstruction and Development of 27.12.1945 | 25.8.1965 |
| Amendment to Articles III and IV of the Articles of Agreement of the International Finance Corporation | 25.8.1965 |
| Amendment to Article III of the Articles of Agreement of the International Finance Corporation | 1.9.1961 |
| Convention on the Organisation for Economic Co-operation and Development, with Supplementary Protocols | 14.12.1960 |
| Articles of Agreement of the International Development Association | 29.1.1960 |
| Convention Establishing an International Organisation of Legal Metrology | 12.10.1955 |
| Articles of Agreement of the International Finance Corporation | 25.5.1955 |
| Convention Establishing a Customs Co-operation Council | 15.12.1950 |
| Convention on the Privileges and Immunities of the Specialised Agencies of the United Nations, with Annexes | 21.11.1947 |
| General Agreement on Tariffs and Trade (with Protocol, Annexes and Schedules) | 30.10.1947 |
| Convention of the World Meteorological Organisation, with Protocol Concerning Spain | 11.10.1947 |
| Constitution of the World Health Organisation | 22.7.1946 |
| General Convention on the Privileges and Immunities of the United Nations | 13.2.1946 |
| Articles of Association of the International Bank for Reconstruction and Development | 27.12.1945 |
| Articles of Agreement of the International Monetary Fund | 27.12.1945 |
| Constitution of the United Nations Educational, Scientific and Cultural Organisation | 16.11.1945 |
| Constitution on the Food and Agriculture Organisation | 16.10.1945 |
| Charter of the United Nations and Statute of the International Court of Justice | 26.6.1945 |