Bulgaria

1925 Geneva Protocol
Signature (Paris) 17 June 1925  
Deposit of instruments of ratification (Paris) 7 March 1934 *
Antarctic Treaty
Deposit of instruments of accession (Washington) 11 September 1978  
Anti-Personnel Mine Ban Convention
Signature (UN) 3 December 1997  
Deposit of instruments of ratification (UN) 4 September 1998  
Arms Trade Treaty
Signature (UN) 2 July 2013  
Deposit of instruments of ratification (UN) 2 April 2014  
Biological Weapons Convention
Signature (Moscow) 10 April 1972  
Signature (London) 10 April 1972  
Signature (Washington) 10 April 1972  
Deposit of instruments of ratification (London) 2 August 1972  
Deposit of instruments of ratification (Washington) 13 September 1972  
Deposit of instruments of ratification (Moscow) 19 September 1972  
Chemical Weapons Convention
Signature (UN) 13 January 1993  
Deposit of instruments of ratification (UN) 10 August 1994  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 24 September 1996  
Deposit of instruments of ratification (UN) 29 September 1999  
Convention on Certain Conventional Weapons
Signature (UN) 10 April 1981  
Deposit of instruments of ratification of Amendment to the Convention on Certain Conventional Weapons (UN) 28 February 2003  
Deposit of instruments of ratification (UN) 15 October 1982  
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 3 December 1998  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 15 October 1982  
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 3 December 1998  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 15 October 1982  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 15 October 1982  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 7 November 2005  
Convention on Cluster Munitions
Signature (UN) 3 December 2008  
Deposit of instruments of ratification (UN) 6 April 2011  
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN) 18 May 1977  
Deposit of instruments of ratification (UN) 31 May 1978  
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN) 14 September 2005  
Outer Space Treaty
Signature (Moscow) 27 January 1967  
Signature (Washington) 27 January 1967  
Signature (London) 27 January 1967  
Deposit of instruments of ratification (Moscow) 28 March 1967  
Deposit of instruments of ratification (London) 19 April 1967  
Deposit of instruments of ratification (Washington) 11 April 1967  
Partial Test Ban Treaty
Signature (Moscow) 8 August 1963  
Signature (Washington) 8 August 1963  
Signature (London) 8 August 1963  
Deposit of instruments of ratification (Moscow) 21 November 1963  
Deposit of instruments of ratification (London) 2 December 1963  
Deposit of instruments of ratification (Washington) 13 November 1963  
Sea-Bed Treaty
Signature (Moscow) 11 February 1971  
Signature (Washington) 11 February 1971  
Signature (London) 11 February 1971  
Deposit of instruments of ratification (Washington) 7 May 1971  
Deposit of instruments of ratification (London) 26 May 1971  
Deposit of instruments of ratification (Moscow) 16 April 1971  
Treaty on Conventional Armed Forces in Europe (CFE)
Signature (The Hague) 19 November 1990  
Signature to Agreement on Adaptation of the Treaty on Conventional Armed Forces in Europe (The Hague) 19 November 1999  
Deposit of instruments of ratification (The Hague) 12 November 1991 *
Treaty on Open Skies
Signature (Budapest) 24 March 1992  
Signature (Ottawa) 24 March 1992  
Deposit of instruments of ratification (Ottawa) 15 April 1994  
Deposit of instruments of ratification (Budapest) 15 April 1994  
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 (Washington) 5 September 1969  
Deposit of instruments of ratification (Moscow) 18 September 1969  
Deposit of instruments of ratification (London) 3 November 1969