; and (2) is a Nuclear Weapon State as defined by the Nuclear Nonproliferation Treaty. (d) Definitions In this section: (1) Biological Weapons Convention The term Biological Weapons Convention means the Convention on the Prohibition of the Development, Production and Stockpiling of Bacteriological and Toxin Weapons and on their Destruction, done at Washington, London, and Moscow, April 10, 1972. (2) Chemical Weapons Convention The term Chemical Weapons Convention means the Convention on the Prohibition of the Development, Production, Stockpiling and use of Chemical Weapons and on their Destruction, done at Paris, January 13, 1993. (3) Nuclear Nonproliferation Treaty The term Nuclear Nonproliferation Treaty means the Treaty on the Non-Proliferation of Nuclear Weapons, done at Washington, London, and Moscow, July 1, 1968.