The Vienna Convention on Civil Liability for Nuclear Damage is a 1963 treaty that governs issues of liability in cases of nuclear accident. It was concluded at Vienna on 21 May 1963 and entered into force on 12 November 1977. The convention has been amended by a 1997 protocol, in force since 4 October 2003. The depository is the International Atomic Energy Agency. As of February 2014, the convention has been ratified by 40 states. Colombia, Israel, Morocco, Spain, and the United Kingdom have signed the convention but have not ratified it. Slovenia has denounced the treaty and withdrawn from it to become party to the Paris Convention. See also Nuclear energy policy Nuclear power Nuclear power debate Paris Convention on Third Party Liability in the Field of Nuclear Energy Price-Anderson Nuclear Industries Indemnity Act References External links "Vienna Convention on Civil Liability for Nuclear Damage", iaea.org. Text. Ratifications. Nuclear safety and security Nuclear liability Treaties concluded in 1963 Treaties entered into force in 1977 1963 in Austria Treaties of Argentina Treaties of Armenia Treaties of Belarus Treaties of Bolivia Treaties of Bosnia and Herzegovina Treaties of Brazil Treaties of Bulgaria Treaties of Cameroon Treaties of Chile Treaties of Croatia Treaties of Cuba Treaties of the Czech Republic Treaties of Egypt Treaties of Estonia Treaties of the Hungarian People's Republic Treaties of Jordan Treaties of Kazakhstan Treaties of Latvia Treaties of Lebanon Treaties of Lithuania Treaties of Mauritius Treaties of Mexico Treaties of Montenegro Treaties of Niger Treaties of Nigeria Treaties of Peru Treaties of the Philippines Treaties of Poland Treaties of Moldova Treaties of Romania Treaties of Russia Treaties of Saint Vincent and the Grenadines Treaties of Saudi Arabia Treaties of Senegal Treaties of Serbia and Montenegro Treaties of Slovakia Treaties of North Macedonia Treaties of Trinidad and Tobago Treaties of Ukraine Treaties of Uruguay Treaties of Yugoslavia Civil Liability for Nuclear Damage Liability treaties