In addition, these states are members of the Organisation for the Prohibition of Chemical Weapons (OPCW).
[1] Only Egypt, North Korea, and South Sudan have neither signed nor acceded to the Convention.
Of the four non-parties, South Sudan stated in December 2017 that it "has all but concluded the process of joining the Organisation for the Prohibition of Chemical Weapons".
[2] Ahmet Üzümcü, the Director-General of the OPCW, has stated that Egypt, Israel, and North Korea had "regional reasons" for not joining.
[5][8] In addition, Israel has been reluctant to ratify due to an unwillingness to grant OPCW inspectors access to its military bases.