Brazil

1925 Geneva Protocol
Signature (Paris) 17 June 1925  
Deposit of instruments of ratification (Paris) 28 August 1970  
Antarctic Treaty
Deposit of instruments of accession (Washington) 16 May 1975  
Arms Trade Treaty
Signature (UN) 3 June 2013  
Biological Weapons Convention
Signature (London) 10 April 1972  
Signature (Moscow) 10 April 1972  
Signature (Washington) 10 April 1972  
Deposit of instruments of ratification (Washington) 27 February 1973  
Deposit of instruments of ratification (Moscow) 27 February 1973  
Deposit of instruments of ratification (London) 27 February 1973  
Chemical Weapons Convention
Signature (UN) 13 January 1993  
Deposit of instruments of ratification (UN) 13 March 1996  
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 24 September 1996  
Deposit of instruments of ratification (UN) 24 July 1998  
Convention on Certain Conventional Weapons
Deposit of instruments of accession to Amendment to the Convention on Certain Conventional Weapons (UN) 30 November 2010  
Deposit of instruments of accession (UN) 3 October 1995  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 3 October 1995  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 3 October 1995  
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 4 October 1999  
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 4 October 1999  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 30 November 2010  
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 3 October 1995  
Convention on Environmental Modification Techniques (ENMOD)
Signature (UN) 9 November 1977  
Deposit of instruments of ratification (UN) 12 October 1984  
Inter-American Convention on Firearms
Signature (OAS) 14 November 1997  
Deposit of instruments of ratification (OAS) 28 September 1999  
Inter-American Convention on Transparency
Signature (OAS) 7 June 1999  
Deposit of instruments of ratification (OAS) 14 December 2006  
Mine Ban Convention
Signature (UN) 3 December 1997  
Deposit of instruments of ratification (UN) 30 April 1999  
Outer Space Treaty
Signature (London) 2 February 1967  
Signature (Washington) 2 February 1967  
Signature (Moscow) 30 January 1967  
Deposit of instruments of ratification (Moscow) 5 March 1969 *
Deposit of instruments of ratification (Washington) 5 March 1969 *
Deposit of instruments of ratification (London) 5 March 1969 *
Partial Test Ban Treaty
Signature (Moscow) 8 August 1963  
Signature (London) 8 August 1963  
Signature (Washington) 8 August 1963  
Deposit of instruments of ratification (Washington) 15 January 1965  
Deposit of instruments of ratification (London) 4 March 1965  
Deposit of instruments of ratification (Moscow) 15 December 1964  
Sea-Bed Treaty
Signature (London) 3 September 1971  
Signature (Washington) 3 September 1971 *
Signature (Moscow) 3 September 1971  
Deposit of instruments of ratification (London) 10 May 1988 *
Deposit of instruments of ratification (Washington) 10 May 1988  
Deposit of instruments of ratification (Moscow) 4 August 1988 *
Treaty of Tlatelolco
Signature (Mexico City) 9 May 1967 *
Signature to Resolution 290 to the Treaty of Tlatelolco (Mexico City) 26 August 1992  
Signature to Resolution 267 to the Treaty of Tlatelolco (Mexico City) 5 December 1990  
Signature to Resolution 268 to the Treaty of Tlatelolco (Mexico City) 23 January 1992  
Deposit of instruments of ratification (Mexico City) 29 January 1968 *
Deposit of instruments of ratification of Resolution 267 to the Treaty of Tlatelolco (Mexico City) 30 May 1994  
Deposit of instruments of ratification of Resolution 290 to the Treaty of Tlatelolco (Mexico City) 30 May 1994  
Deposit of instruments of ratification of Resolution 268 to the Treaty of Tlatelolco (Mexico City) 30 May 1994  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Deposit of instruments of accession (Washington) 18 September 1998  
Deposit of instruments of accession (London) 18 September 1998 *
Deposit of instruments of accession (Moscow) 18 September 1998