Treaties on Chemical Weapons

Geneva Protocol

The full title of this protocol is: ‘Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare’.

Opened for signature: 1925
Entered into Force: 8th Feb 1928 and for each country as they sign it

As of November 2010, 137 states have ratified, acceded to, or succeeded to the treaty.

Chemical Weapons Convention

Opened for signature: 1993
Entered into Force: 1997
Number of countries ratified: 188