Lao People's Democratic Republic

1925 Geneva Protocol
Deposit of instruments of accession (Paris) 20 May 1989  
Bangkok Treaty
Signature (Bangkok) 15 December 1995  
Deposit of instruments of ratification (Bangkok) 16 July 1996  
Biological Weapons Convention
Signature (Washington) 10 April 1972  
Signature (London) 10 April 1972  
Signature (Moscow) 10 April 1972  
Deposit of instruments of ratification (London) 25 April 1973  
Deposit of instruments of ratification (Moscow) 20 March 1973  
Deposit of instruments of ratification (Washington) 22 March 1973  
Chemical Weapons Convention
Signature (UN) 13 May 1993  
Deposit of instruments of ratification (UN) 25 February 1997  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 30 July 1997  
Deposit of instruments of ratification (UN) 5 October 2000  
Convention on Certain Conventional Weapons
Deposit of instruments of accession (UN) 3 January 1983 *
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 3 January 1983  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 3 January 1983  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 2 February 2012  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 3 January 1983  
Convention on Cluster Munitions
Signature (UN) 3 December 2008  
Deposit of instruments of ratification (UN) 18 March 2009  
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN) 13 April 1978  
Deposit of instruments of ratification (UN) 5 October 1978  
Outer Space Treaty
Signature (Moscow) 2 February 1967  
Signature (London) 30 January 1967  
Signature (Washington) 27 January 1967  
Deposit of instruments of ratification (London) 15 January 1973  
Deposit of instruments of ratification (Washington) 29 November 1972  
Deposit of instruments of ratification (Moscow) 27 November 1972  
Partial Test Ban Treaty
Signature (London) 12 August 1963  
Signature (Washington) 12 August 1963  
Signature (Moscow) 12 August 1963  
Deposit of instruments of ratification (Washington) 12 February 1965  
Deposit of instruments of ratification (Moscow) 7 April 1965  
Deposit of instruments of ratification (London) 10 February 1965  
Sea-Bed Treaty
Signature (Washington) 11 February 1971  
Signature (Moscow) 15 February 1971  
Signature (London) 11 February 1971  
Deposit of instruments of ratification (Moscow) 22 October 1971  
Deposit of instruments of ratification (London) 19 October 1971  
Deposit of instruments of ratification (Washington) 3 November 1971  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (London) 1 July 1968  
Signature (Washington) 1 July 1968  
Signature (Moscow) 1 July 1968  
Deposit of instruments of ratification (London) 5 March 1970  
Deposit of instruments of ratification (Moscow) 20 February 1970  
Deposit of instruments of ratification (Washington) 5 March 1970  
Treaty on the Prohibition of Nuclear Weapons
Signature (UN) 21 September 2017