Additional Annexes


Summary Information
Full Title

1996 Comprehensive Nuclear-Test-Ban Treaty

Short Title / Abbreviations


CIL Subject Classification
Citations to Text 35 ILM 1439 (1996)
Date of Adoption 10/09/1996
Place of Adoption New York, United States of America
Secretariat / Relevant Authority

Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)

Dispute settlement provisions


“1. Disputes that may arise concerning the application or the interpretation of this Treaty shall be settled in accordance with the relevant provisions of this Treaty and in conformity with the provisions of the Charter of the United Nations.

2. When a dispute arises between two or more States Parties, or between one or more States Parties and the Organization, relating to the application or interpretation of this Treaty, the parties concerned shall consult together with a view to the expeditious settlement of the dispute by negotiation or by other peaceful means of the parties’ choice, including recourse to appropriate organs of this Treaty and, by mutual consent, referral to the International Court of Justice in conformity with the Statute of the Court. The parties involved shall keep the Executive Council informed of actions being taken.

3. The Executive Council may contribute to the settlement of a dispute that may arise concerning the application or interpretation of this Treaty by whatever means it deems appropriate, including offering its good offices, calling upon the States Parties to a dispute to seek a settlement through a process of their own choice, bringing the matter to the attention of the Conference and recommending a time-limit for any agreed procedure.

4. The Conference shall consider questions related to disputes raised by States Parties or brought to its attention by the Executive Council. The Conference shall, as it finds necessary, establish or entrust organs with tasks related to the settlement of these disputes in conformity with Article II, paragraph 26 (j).

5. The Conference and the Executive Council are separately empowered, subject to authorization from the General Assembly of the United Nations, to request the International Court of Justice to give an advisory opinion on any legal question arising within the scope of the activities of the Organization. An agreement between the Organization and the United Nations shall be concluded for this purpose in accordance with Article II, paragraph 38 (h).

6. This Article is without prejudice to Articles IV and V.”


Secretary-General of the United Nations


Annex 1 – List of States Pursuant to Article II, Paragraph 28

Annex 2 – List of States Pursuant to Article XIV

Protocol Part I – The International Monitoring System and the International Data Centre Functions

Protocol Part II – On-site Inspections

Protocol Part III –  Confidence-building measures

Annex 1 to the Protocol – Facilities comprising the IMS network

Annex 2 to the Protocol – Lists characterization parameters for IDC standard event screening

See Article X of this Treaty: “The Annexes to this Treaty, the Protocol, and the Annexes to the Protocol form an integral part of the Treaty. Any reference to this Treaty includes the Annexes to this Treaty, the Protocol and the Annexes to the Protocol.”

Entry Into Force Status In Force
Entry into Force / Termination Provisions


“1. This Treaty shall enter into force 180 days after the date of deposit of the instruments of ratification by all States listed in Annex 2 to this Treaty, but in no case earlier than two years after its opening for signature.

2. If this Treaty has not entered into force three years after the date of the anniversary of its opening for signature, the Depositary shall convene a Conference of the States that have already deposited their instruments of ratification on the request of a majority of those States. That Conference shall examine the extent to which the requirement set out in paragraph 1 has been met and shall consider and decide by consensus what measures consistent with international law may be undertaken to accelerate the ratification process in order to facilitate the early entry into force of this Treaty.

3. Unless otherwise decided by the Conference referred to in paragraph 2 or other such conferences, this process shall be repeated at subsequent anniversaries of the opening for signature of this Treaty, until its entry into force.

4. All States Signatories shall be invited to attend the Conference referred to in paragraph 2 and any subsequent conferences as referred to in paragraph 3, as observers.

5. For States whose instruments of ratification or accession are deposited subsequent to the entry into force of this Treaty, it shall enter into force on the 30th day following the date of deposit of their instruments of ratification or accession.”

General Status 168 Parties (as of 22/11/2019)
Links to Current Status/Reservations CTBTO Preparatory Commission
ASEAN States
Brunei Darussalam Signature 22/01/1997
Ratification 10/01/2013
Cambodia Signature 26/09/1996
Ratification 10/11/2000
Indonesia Signature 24/09/1996
Ratification 06/02/2012
Lao PDR Signature 30/07/1997
Ratification 05/10/2000
Malaysia Signature 23/07/1998
Ratification 17/01/2008
Myanmar Signature 25/11/1996
Ratification 21/09/2016
Philippines Signature 24/09/1996
Ratification 23/02/2001
Singapore Signature 14/01/1999
Ratification 10/11/2001
Thailand Signature 12/11/1996
Ratification 25/09/2018
Viet Nam Signature 24/09/1996
Ratification 10/03/2006
Related Instruments
Protocols / Amendments to this instrument

1996 Protocol to the Comprehensive Nuclear-Test-Ban Treaty

This instrument amends/supersedes

Related Instruments

1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water

1968 Treaty on the Non-Proliferation of Nuclear Weapons

1996 Resolution Establishing the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization

1997 Rules of Procedure of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization

External Links
Additional Information