معاهدة حظر الأسلحة الكيميائية
As of December 1993, Japan has signed the Chemical Weapons Convention. Japan ratified the Chemical Weapons Convention in 1995. However, JSDF possess chemical weapons facilities and some samples for use in development of protection against chemical weapons which it said JGSDF Central NBC protection Troop. In 1995, JGSDF admitted possession of samples of sarin.