Statement from Secretary Moniz:
"The Japanese ratification of the Convention on Supplementary Compensation for Nuclear Damage (CSC) marks an important milestone towards creating a global nuclear liability regime that will assure prompt and meaningful compensation in the event of a nuclear accident and will facilitate international cooperation on nuclear projects such as ongoing clean-up work at the Fukushima site. The United States looks forward to working with Japan to encourage other countries to adhere to the CSC, and thereby facilitate the safe and secure use of nuclear energy, which will benefit energy security and help mitigate the impacts of climate change.” 
Additional Background on the CSC
Deposit by Japan of its instrument of acceptance of the CSC with the International Atomic Energy Agency (IAEA) on January 15, 2015, satisfies a key requirement of the entry into force provisions of the CSC, which is ratification by at least five countries with at least 400,000 units of aggregate installed nuclear capacity.  Pursuant to its terms, the CSC will come into force 90 days later, on April 15, 2015.  The CSC was adopted at a Diplomatic Conference in 1997 with the intent to provide the basis for a global nuclear liability regime and to increase the amount of compensation available in the event of a nuclear accident. The IAEA's Nuclear Safety Action Plan adopted in response to the Fukushima accident calls for establishment of a global nuclear liability regime.