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Nepal

1925 Geneva Protocol
Deposit of instruments of accession (Paris)	9 May 1969

Biological Weapons Convention
Signature (Washington)	10 April 1972
Signature (Moscow)	10 April 1972
Signature (London)	10 April 1972
Deposit of instruments of ratification (Moscow)	11 November 2016
Deposit of instruments of ratification (Washington)	4 November 2016
Deposit of instruments of ratification (London)	4 November 2016

Chemical Weapons Convention
Signature (UN)	19 January 1993
Deposit of instruments of ratification (UN)	18 November 1997

Comprehensive Nuclear-Test-Ban Treaty
Signature (UN)	8 October 1996

Outer Space Treaty
Signature (London)	6 February 1967
Signature (Moscow)	3 February 1967
Signature (Washington)	3 February 1967
Deposit of instruments of ratification (Washington)	22 November 1967
Deposit of instruments of ratification (Moscow)	16 October 1967
Deposit of instruments of ratification (London)	10 October 1967

Partial Test Ban Treaty
Signature (Moscow)	26 August 1963
Signature (Washington)	30 August 1963
Signature (London)	26 August 1963
Deposit of instruments of ratification (Washington)	7 October 1964
Deposit of instruments of ratification (Moscow)	7 October 1964
Deposit of instruments of ratification (London)	7 October 1964

Sea-Bed Treaty
Signature (Washington)	11 February 1971
Signature (Moscow)	11 February 1971
Signature (London)	24 February 1971
Deposit of instruments of ratification (Washington)	9 August 1971
Deposit of instruments of ratification (Moscow)	29 July 1971
Deposit of instruments of ratification (London)	6 July 1971

Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (Washington)	1 July 1968
Signature (Moscow)	1 July 1968
Signature (London)	1 July 1968
Deposit of instruments of ratification (London)	3 February 1970
Deposit of instruments of ratification (Washington)	5 January 1970
Deposit of instruments of ratification (Moscow)	9 January 1970

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