Italy

1925 Geneva Protocol
Signature (Paris) 17 June 1925  
Deposit of instruments of ratification (Paris) 3 April 1928  
Antarctic Treaty
Deposit of instruments of accession (Washington) 18 March 1981  
Anti-Personnel Mine Ban Convention
Signature (UN) 3 December 1997  
Deposit of instruments of ratification (UN) 23 April 1999  
Arms Trade Treaty
Signature (UN) 3 June 2013  
Deposit of instruments of ratification (UN) 2 April 2014  
Biological Weapons Convention
Signature (Washington) 10 April 1972  
Signature (Moscow) 10 April 1972  
Signature (London) 10 April 1972  
Deposit of instruments of ratification (London) 30 May 1975  
Deposit of instruments of ratification (Washington) 30 May 1975  
Deposit of instruments of ratification (Moscow) 30 May 1975  
Chemical Weapons Convention
Signature (UN) 13 January 1993 *
Deposit of instruments of ratification (UN) 8 December 1995 *
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 24 September 1996  
Deposit of instruments of ratification (UN) 1 February 1999  
Convention on Certain Conventional Weapons
Signature (UN) 10 April 1981 *
Deposit of instruments of ratification (UN) 20 January 1995  
Deposit of instruments of ratification of Amendment to the Convention on Certain Conventional Weapons (UN) 1 September 2004  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 20 January 1995  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 20 January 1995  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 20 January 1995  
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 13 January 1999 *
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 13 January 1999 *
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 11 February 2010  
Convention on Cluster Munitions
Signature (UN) 3 December 2008  
Deposit of instruments of ratification (UN) 21 September 2011  
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN) 18 May 1977  
Deposit of instruments of ratification (UN) 27 November 1981  
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN) 14 September 2005  
Deposit of instruments of ratification (UN) 21 October 2016  
Outer Space Treaty
Signature (Washington) 27 January 1967  
Signature (London) 27 January 1967  
Signature (Moscow) 27 January 1967  
Deposit of instruments of ratification (Moscow) 4 May 1972  
Deposit of instruments of ratification (Washington) 4 May 1972  
Deposit of instruments of ratification (London) 4 May 1972  
Partial Test Ban Treaty
Signature (London) 8 August 1963  
Signature (Moscow) 8 August 1963  
Signature (Washington) 8 August 1963  
Deposit of instruments of ratification (London) 10 December 1964  
Deposit of instruments of ratification (Moscow) 10 December 1964  
Deposit of instruments of ratification (Washington) 10 December 1964  
Sea-Bed Treaty
Signature (Washington) 11 February 1971 *
Signature (London) 11 February 1971  
Signature (Moscow) 11 February 1971  
Deposit of instruments of ratification (London) 3 September 1974 *
Deposit of instruments of ratification (Washington) 3 September 1974  
Deposit of instruments of ratification (Moscow) 3 September 1974 *
Treaty on Conventional Armed Forces in Europe (CFE)
Signature to Agreement on Adaptation of the Treaty on Conventional Armed Forces in Europe (The Hague) 19 November 1999  
Signature (The Hague) 19 November 1990  
Deposit of instruments of ratification (The Hague) 22 April 1992 *
Treaty on Open Skies
Signature (Budapest) 24 March 1992  
Signature (Ottawa) 24 March 1992  
Deposit of instruments of ratification (Budapest) 28 October 1994  
Deposit of instruments of ratification (Ottawa) 31 October 1994  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (Moscow) 28 January 1969  
Signature (Washington) 28 January 1969  
Signature (London) 28 January 1969 *
Deposit of instruments of ratification (Moscow) 4 May 1975 *
Deposit of instruments of ratification (London) 2 May 1975  
Deposit of instruments of ratification (Washington) 2 May 1975