Office of Chemical and Biological Weapons (AVC/CBW)
AVC’s Office of Chemical and Biological Weapons Affairs (AVC/CBW) serves as the lead within the Department of State to promote the global ban on chemical weapons as embodied in the Chemical Weapons Convention (CWC), including responsibility for the U.S. National Authority, which overseas U.S. implementation of the CWC. AVC/CBW is also the lead for assessing compliance of the Biological and Toxins Weapons Convention (BTWC).
Organization for the Prohibition of Chemical Weapons (OPCW): CBW provides guidance and support to the U.S. Mission to the OPCW.
Implementation: The Office implements efforts to impede and roll back the threat of chemical and biological weapons, and to dissuade and impede states and entities from pursuing, using, and/or proliferating these weapons and related equipment and technology.
Verification and Compliance: CBW serves as the lead within the Department for addressing the verification, compliance, and related enforcement aspects of existing and prospective arms control, nonproliferation, and disarmament agreements and commitments involving chemical and biological weapons. Included in this effort is the attribution of use in suspicious biological outbreaks throughout the world.
International Negotiations and Initiatives: The Office participates in international negotiations and consultations on, as well as prepares verifiability assessments for, relevant aspects of arms control, nonproliferation, and disarmament agreements and commitments.