(Source: Wikipedia)

Full name: Convention on the Prohibition of the Development, Production and Stockpiling of Bacteriological (Biological) and Toxin Weapons and on their Destruction

Short name: Biological Weapons Convention (BWC)
Open for signature: April 10, 1972
Entered into force: March 26, 1975
Member states: 158
Map of member states:

Summary:

Article I: Never under any circumstances to acquire or retain biological weapons.
Article II: To destroy or divert to peaceful purposes biological weapons and associated resources prior to joining.
Article III: Not to transfer, or in any way assist, encourage or induce anyone else to acquire or retain biological weapons.
Article IV: To take any national measures necessary to implement the provisions of the BWC domestically.
Article V: To consult bilaterally and multilaterally to solve any problems with the implementation of the BWC.
Article VI: To request the UN Security Council to investigate alleged breaches of the BWC and to comply with its subsequent decisions.
Article VII: To assist States which have been exposed to a danger as a result of a violation of the BWC.
Article X: To do all of the above in a way that encourages the peaceful uses of biological science and technology.