Malawi

1925 Geneva Protocol
Deposit of instruments of accession (Paris) 14 September 1970  
Anti-Personnel Mine Ban Convention
Signature (UN) 4 December 1997  
Deposit of instruments of ratification (UN) 13 August 1998  
Arms Trade Treaty
Signature (UN) 9 January 2014  
Biological Weapons Convention
Signature (Washington) 10 April 1972  
Deposit of instruments of ratification (Washington) 2 April 2013  
Chemical Weapons Convention
Signature (UN) 14 January 1993  
Deposit of instruments of ratification (UN) 11 June 1998  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 9 October 1996  
Deposit of instruments of ratification (UN) 21 November 2008  
Convention on Cluster Munitions
Signature (UN) 3 December 2008  
Deposit of instruments of ratification (UN) 7 October 2009  
Convention on Environmental Modification Techniques (ENMOD)
Deposit of instruments of accession (UN) 5 October 1978  
International Convention for the Suppression of Acts of Nuclear Terrorism
Deposit of instruments of accession (UN) 7 October 2009  
Partial Test Ban Treaty
Deposit of instruments of succession (London) 7 January 1965  
Deposit of instruments of succession (Moscow) 26 November 1964 *
Deposit of instruments of succession (Washington) 29 November 1964 *
Pelindaba Treaty
Signature (African Union) 11 April 1996  
Deposit of instruments of ratification (African Union) 23 April 2009  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Deposit of instruments of accession (Moscow) 4 March 1986  
Deposit of instruments of accession (London) 18 February 1986  
Deposit of instruments of accession (Washington) 19 February 1986  
Treaty on the Prohibition of Nuclear Weapons
Signature (UN) 20 September 2017