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"I salute the Arms Control Association … for its keen vision of the goals ahead and for its many efforts to identify and to promote practical measures that are so vitally needed to achieve them."

– Amb. Nobuyasu Abe
Former UN Undersecretary General for Disarmament Affairs
January 28, 2004
Treaty on the Prohibition of Nuclear Weapons

Latest ACA Resources

The Treaty on the Prohibition of Nuclear Weapons prohibits the use, threat of use, development, production, manufacturing, acquisition, possession, stockpiling, transfer, stationing and installment of nuclear weapons or assistance with any prohibited activities. It requires states-parties to declare if they once had or currently have nuclear weapons and if there are nuclear weapons on their territory. It requires states-parties that currently have nuclear weapons to destroy them and those that have nuclear weapons on their territory to remove them. States-parties must also provide victim assistance to those impacted by nuclear weapon use and testing and environmental remediation assistance to areas impacted by nuclear weapon use and testing.

Opened for Signature: September 20, 2017

Entry into Force: Pending

Official Text: http://disarmament.un.org/treaties/t/tpnw/text

Status and Signatories: http://disarmament.un.org/treaties/t/tpnw

ACA Backgrounder: https://www.armscontrol.org/factsheets/nuclearprohibition