The story
Japan's trade and investment insurance system was created under the Trade and Investment Insurance Act, enacted in March 1950, and for about fifty years it was administered directly by the government, initially by the Ministry of International Trade and Industry and later by METI. On 1 April 2001, NEXI was established as an incorporated administrative agency to manage the program as a wholly state-owned body, while METI retained responsibility for overall policy and for negotiations between governments. After sixteen years in that form, NEXI was reorganized on 1 April 2017 into a stock company (kabushiki kaisha) wholly owned by the Japanese government. At that time the previous government reinsurance arrangement was abolished, and the state instead undertook, under the Trade and Investment Insurance Act, to support NEXI's ability to pay claims in an emergency.
From Wikipedia’s article on Nippon Export and Investment Insurance, shared under CC BY-SA 4.0.3