Antigua and Barbuda

1925 Geneva Protocol
Deposit of instruments of succession (Paris) 27 April 1988  
Anti-Personnel Mine Ban Convention
Signature (UN) 3 December 1997  
Deposit of instruments of ratification (UN) 3 May 1999  
Arms Trade Treaty
Signature (UN) 3 June 2013  
Deposit of instruments of ratification (UN) 12 August 2013 *
Biological Weapons Convention
Deposit of instruments of accession (London) 29 January 2003  
Chemical Weapons Convention
Deposit of instruments of accession (UN) 29 August 2005  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 16 April 1997  
Deposit of instruments of ratification (UN) 11 January 2006  
Convention on Certain Conventional Weapons
Deposit of instruments of accession (UN) 23 August 2010  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 23 August 2010  
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 23 August 2010  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 23 August 2010  
Convention on Cluster Munitions
Signature (UN) 16 July 2010  
Deposit of instruments of ratification (UN) 23 August 2010  
Convention on Environmental Modification Techniques (ENMOD)
Deposit of instruments of succession (UN) 25 October 1988  
Inter-American Convention on Firearms
Signature (OAS) 14 November 1997  
Deposit of instruments of ratification (OAS) 27 March 2003  
International Convention for the Suppression of Acts of Nuclear Terrorism
Deposit of instruments of accession (UN) 1 December 2009  
Outer Space Treaty
Deposit of instruments of succession (London) 26 January 1989  
Deposit of instruments of succession (Washington) 16 November 1988 *
Deposit of instruments of succession (Moscow) 26 December 1988 *
Partial Test Ban Treaty
Deposit of instruments of succession (Moscow) 26 December 1988 *
Deposit of instruments of succession (London) 26 January 1989  
Deposit of instruments of succession (Washington) 16 November 1988 *
Sea-Bed Treaty
Deposit of instruments of succession (Moscow) 26 December 1988 *
Deposit of instruments of succession (Washington) 16 November 1988 *
Deposit of instruments of succession (London) 26 January 1989  
Treaty of Tlatelolco
Signature (Mexico City) 11 October 1983  
Deposit of instruments of ratification (Mexico City) 11 October 1983  
Deposit of instruments of accession to Resolution 267 to the Treaty of Tlatelolco (Mexico City) 13 June 2013  
Deposit of instruments of accession to Resolution 290 to the Treaty of Tlatelolco (Mexico City) 13 June 2013  
Deposit of instruments of accession to Resolution 268 to the Treaty of Tlatelolco (Mexico City) 13 June 2013  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Deposit of instruments of succession (London) 17 June 1985