ICSID publishes a multi-volume loose-leaf collection of Investment Treaties containing the texts of investment treaties and protocols concluded by over 165 countries from 1959 until the present. The Investment Treaties collection has been published since 1986 and is updated three times per year. Treaties and protocols in the collection are available in their official languages, as provided to ICSID by the governments which negotiated them. The signature and entry into force dates of each treaty is provided for ease of reference. In addition, the collection features complete alphabetical and chronological indices.
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