Treaties Database Home

Nepal

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

Biological Weapons Convention
Signature (Washington)	10 April 1972
Signature (London)	10 April 1972
Signature (Moscow)	10 April 1972
Deposit of instruments of ratification (London)	4 November 2016
Deposit of instruments of ratification (Moscow)	11 November 2016
Deposit of instruments of ratification (Washington)	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 (Moscow)	3 February 1967
Signature (Washington)	3 February 1967
Signature (London)	6 February 1967
Deposit of instruments of ratification (Washington)	22 November 1967
Deposit of instruments of ratification (London)	10 October 1967
Deposit of instruments of ratification (Moscow)	16 October 1967

Partial Test Ban Treaty
Signature (Washington)	30 August 1963
Signature (Moscow)	26 August 1963
Signature (London)	26 August 1963
Deposit of instruments of ratification (London)	7 October 1964
Deposit of instruments of ratification (Washington)	7 October 1964
Deposit of instruments of ratification (Moscow)	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 (Moscow)	29 July 1971
Deposit of instruments of ratification (Washington)	9 August 1971
Deposit of instruments of ratification (London)	6 July 1971

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

Treaty on the Prohibition of Nuclear Weapons
Signature (UN)	20 September 2017

For treaties where the Secretary-General of the United Nations is not the depository, the records in this database rely on information provided to the United Nations by the depository States of those treaties. Some resources listed and/or hyperlinked on this page may be from individuals, organisations and entities other than the United Nations and are provided for information purposes only. The hyperlinking of outside resources is not an endorsement by the United Nations of the views expressed therein nor does the United Nations have control over the content or accuracy of information provided. No editorial comment is implied by the omission of a resource or website.