Antigua and Barbuda signed the Treaty of Tlatelolco on October 11, 1983, on that same date it ratified it and presented its declaration of waiver of the requirements indicated in Article 29, paragraph 2, of the Treaty of Tlatelolco.
Antigua and Barbuda signed a Safeguards Agreement with the International Atomic Energy Agency (IAEA) on September 6, 1996, in accordance with Article 13 of the Treaty of Tlatelolco.
Antigua and Barbuda inherited the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) on June 17, 1985 in London.
Antigua and Barbuda signed the Comprehensive Nuclear Test Ban Treaty (CTBT) on April 16, 1997 and ratified it on January 11, 2006.
Antigua and Barbuda signed the Treaty on the Prohibition of Nuclear Weapons (NPT) on September 26, 2018 and ratified it on November 25, 2019.
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