Liberia

1925 Geneva Protocol
Deposit of instruments of accession (Paris) 2 April 1927  
Anti-Personnel Mine Ban Convention
Deposit of instruments of accession (UN) 23 December 1999  
Arms Trade Treaty
Signature (UN) 4 June 2013  
Deposit of instruments of ratification (UN) 21 April 2015  
Biological Weapons Convention
Signature (Washington) 10 April 1972  
Signature (London) 14 April 1972  
Deposit of instruments of ratification (Washington) 4 November 2016  
Chemical Weapons Convention
Signature (UN) 15 January 1993  
Deposit of instruments of ratification (UN) 23 February 2006  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 1 October 1996  
Deposit of instruments of ratification (UN) 17 August 2009  
Convention on Certain Conventional Weapons
Deposit of instruments of accession (UN) 16 September 2005  
Deposit of instruments of accession to Amendment to the Convention on Certain Conventional Weapons (UN) 16 September 2005  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 16 September 2005  
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 16 September 2005  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 16 September 2005  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 16 September 2005  
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 16 September 2005  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 16 September 2005  
Convention on Cluster Munitions
Signature (UN) 3 December 2008  
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN) 18 May 1977  
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN) 16 September 2005  
Partial Test Ban Treaty
Signature (Moscow) 16 August 1963  
Signature (London) 16 August 1963  
Signature (Washington) 8 August 1963  
Deposit of instruments of ratification (Moscow) 16 June 1964  
Deposit of instruments of ratification (London) 22 May 1964  
Deposit of instruments of ratification (Washington) 19 May 1964  
Pelindaba Treaty
Signature (African Union) 9 July 1996  
Sea-Bed Treaty
Signature (Washington) 11 February 1971  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (Washington) 1 July 1968  
Deposit of instruments of ratification (Washington) 5 March 1970