Uruguay

1925 Geneva Protocol
Signature (Paris) 17 June 1925  
Deposit of instruments of ratification (Paris) 12 April 1977  
Antarctic Treaty
Deposit of instruments of accession (Washington) 11 January 1980 *
Anti-Personnel Mine Ban Convention
Signature (UN) 3 December 1997  
Deposit of instruments of ratification (UN) 7 June 2001  
Arms Trade Treaty
Signature (UN) 3 June 2013  
Deposit of instruments of ratification (UN) 25 September 2014  
Biological Weapons Convention
Deposit of instruments of accession (Washington) 6 April 1981  
Chemical Weapons Convention
Signature (UN) 15 January 1993  
Deposit of instruments of ratification (UN) 6 October 1994  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 24 September 1996  
Deposit of instruments of ratification (UN) 21 September 2001  
Convention on Certain Conventional Weapons
Deposit of instruments of accession to Amendment to the Convention on Certain Conventional Weapons (UN) 7 August 2007  
Deposit of instruments of accession (UN) 6 October 1994  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 7 August 2007  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 6 October 1994  
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 18 August 1998  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 6 October 1994  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 6 October 1994  
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 18 September 1998  
Convention on Cluster Munitions
Signature (UN) 3 December 2008  
Deposit of instruments of ratification (UN) 24 September 2009  
Convention on Environmental Modification Techniques (ENMOD)
Deposit of instruments of accession (UN) 16 September 1993  
Inter-American Convention on Firearms
Signature (OAS) 14 November 1997  
Deposit of instruments of ratification (OAS) 20 July 2001 *
Inter-American Convention on Transparency
Signature (OAS) 7 June 1999  
Deposit of instruments of ratification (OAS) 31 August 2001  
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN) 16 September 2005  
Deposit of instruments of ratification (UN) 4 March 2016  
Moon Treaty (Celestial Bodies)
Signature (UN) 1 June 1981  
Deposit of instruments of ratification (UN) 9 November 1981  
Outer Space Treaty
Signature (Moscow) 30 January 1967  
Signature (Washington) 27 January 1967  
Deposit of instruments of ratification (Washington) 31 August 1970  
Partial Test Ban Treaty
Signature (Washington) 12 August 1963  
Signature (London) 27 September 1963  
Signature (Moscow) 27 September 1963  
Deposit of instruments of ratification (London) 25 February 1969  
Sea-Bed Treaty
Signature (Washington) 11 February 1971  
Treaty of Tlatelolco
Signature (Mexico City) 14 February 1967  
Signature to Resolution 290 to the Treaty of Tlatelolco (Mexico City) 26 August 1992  
Signature to Resolution 267 to the Treaty of Tlatelolco (Mexico City) 16 November 1990  
Signature to Resolution 268 to the Treaty of Tlatelolco (Mexico City) 17 September 1991  
Deposit of instruments of ratification (Mexico City) 20 August 1968  
Deposit of instruments of ratification of Resolution 268 to the Treaty of Tlatelolco (Mexico City) 30 August 1994  
Deposit of instruments of ratification of Resolution 267 to the Treaty of Tlatelolco (Mexico City) 30 August 1994  
Deposit of instruments of ratification of Resolution 290 to the Treaty of Tlatelolco (Mexico City) 20 February 1995  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (Washington) 1 July 1968  
Deposit of instruments of ratification (Washington) 31 August 1970