Tonga

1925 Geneva Protocol
Deposit of instruments of succession (Paris)
19 July 1971
Biological Weapons Convention
Deposit of instruments of accession (London)
28 September 1976
Chemical Weapons Convention
Deposit of instruments of accession (UN)
29 May 2003
Outer Space Treaty
Deposit of instruments of succession (Moscow)
22 June 1971
Deposit of instruments of succession (London)
07 July 1971
Deposit of instruments of succession (Washington)
07 July 1971
Partial Test Ban Treaty
Deposit of instruments of succession (Moscow)
22 June 1971
Deposit of instruments of succession (London)
07 July 1971
Deposit of instruments of succession (Washington)
07 July 1971
South Pacific Nuclear Free Zone Treaty
Signature (PIFS)
02 August 1996
Deposit of instruments of ratification (PIFS)
18 December 2000
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Deposit of instruments of succession (London)
07 July 1971
Deposit of instruments of succession (Washington)
15 July 1971
Deposit of instruments of succession (Moscow)
24 August 1971
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