List of parties to the Partial Nuclear Test Ban Treaty

The list of parties to the Partial Test Ban Treaty encompasses the states who have signed and ratified or acceded to the international agreement prohibiting all test detonations of nuclear weapons except underground.

On August 5, 1963, the Partial Test Ban Treaty (PTBT) was opened for signature. The principal state authors (the Soviet Union, the United Kingdom, and the United States) signed the treaty that day. The PTBT came into force and closed for signature on October 10, 1963 with the ratification by the three principal states. Since then, states that did not sign the treaty can now only accede or succeed to it.

As of October 2018, 125 UN member states have ratified or acceded to the treaty, most recently Montenegro on 3 June 2006. In addition, the Republic of China (Taiwan), which is currently only recognized by 11 UN member states, ratified the treaty prior to the United Nations General Assembly's vote to transfer China's seat to the People's Republic of China (PRC) in 1971. A further 10 states have signed but not ratified the treaty. The instrument of ratification, accession, or succession is deposited at the respective capitals of the principal states of the treaty: Moscow, London, and Washington, D.C.

Ratified or acceded states

Multiple dates indicate the different days in which states submitted their signature or deposition, which varied by location. This location is noted by: (L) for London, (M) for Moscow, and (W) for Washington.

Notes

Partially recognized state abiding by treaty

The Republic of China (Taiwan), which is currently only recognized by 11 UN member states, ratified the treaty prior to the United Nations General Assembly's vote to transfer China's seat to the People's Republic of China (PRC) in 1971. The ROC has committed itself to continue to adhere to the requirements of the treaty, and the United States has declared that they still consider them to be "bound by its obligations".

Signatory states

The following ten states have signed but not ratified the treaty.

Non-signatory states

The remaining UN member states and UN observer states, which have not signed the treaty, are:

See also

• List of parties to the Biological Weapons Convention
• List of parties to the Chemical Weapons Convention
• List of parties to the Convention on Certain Conventional Weapons
• List of parties to the Comprehensive Nuclear-Test-Ban Treaty
• List of parties to the Ottawa Treaty
• List of parties to the Treaty on the Non-Proliferation of Nuclear Weapons
• List of parties to the Treaty on the Prohibition of Nuclear Weapons

References

External links

• Limited Test Ban Treaty at the U.S. Department of State

1. Partial Nuclear Test Ban Treaty
2. Comprehensive Nuclear-Test-Ban Treaty
3. List of parties to the Comprehensive Nuclear-Test-Ban Treaty
4. Treaty on the Prohibition of Nuclear Weapons
5. List of parties to the Treaty on the Prohibition of Nuclear Weapons
6. List of parties to the Treaty on the Non-Proliferation of Nuclear Weapons
7. Nuclear weapons testing
8. List of weapons of mass destruction treaties
9. List of parties to the Ottawa Treaty
10. List of parties to the Biological Weapons Convention
11. List of parties to the Chemical Weapons Convention
12. List of parties to weapons of mass destruction treaties
13. France and weapons of mass destruction
14. Nuclear weapons of the United States
15. Nuclear disarmament
16. Nuclear arms race
17. Vela incident
18. India and weapons of mass destruction
19. Nuclear weapon
20. Russia and weapons of mass destruction