Editing Partial Nuclear Test Ban Treaty (section)

===Signatories===
{{Main|List of parties to the Partial Nuclear Test Ban Treaty}}

By 15 April 1964, six months after the PTBT went into effect, more than 100 states had joined the treaty as signatories and 39 had ratified or acceded to it.<ref name=cq>{{cite web |title=Nuclear Test Ban Treaty Ratified |work=CQ Almanac |publisher=[[Congressional Quarterly]] |url=https://library.cqpress.com/cqalmanac/document.php?id=cqal63-1317011#H2_1 |date=1964 |access-date=11 August 2016}}</ref> The most recent party to the PTBT is [[Montenegro]], which succeeded to the treaty in 2006.<ref name=unoda/> {{As of|2015}}, 126 states were party to the treaty, with 10 other states having signed but not deposited instruments of ratification. There are 60 states that have not signed the PTBT, including the nuclear states of China, France, and [[North Korea]].<ref name=siglist>{{cite web |title=Comprehensive Nuclear Test Ban Treaty & Partial Test Ban Treaty Membership |url=http://www.nti.org/media/pdfs/apmctbt_10.pdf |publisher=Nuclear Threat Initiative |access-date=11 August 2016 |date=8 June 2015}}</ref> [[Albania]], an ideological ally of China during the PTBT's enactment, also has not signed.{{sfn|Jacobson|Stein|1966|p=464}}<ref name=siglist/>