Jakarta (ANTARA News) - US Secretary of State Hillary Clinton has welcomed the Indonesian government`s decision to ratify the Comprehensive Nuclear Test Ban Treaty (CTBT).

"We thank President Yudhoyono and the Government of Indonesia for their leadership in this global effort to reinforce the nuclear nonproliferation regime. Ratification by Indonesia -- one of the countries whose ratification is required for the Treaty`s entry into force -- reinforces the international norm against nuclear explosive testing and sends an encouraging message to the global effort to prevent the spread of nuclear weapons," Secretary Clinton said in a statement published on the official website of the US Department of State.

Indonesia is one of 44 "Annex 2 states," whose ratification is required for the CTBT to enter into force. The remaining Annex 2 states that have signed the Treaty but have yet to ratify are China, Egypt, Iran, Israel, and the United States.

The Annex 2 states that have yet to sign and ratify the Treaty are India, North Korea, and Pakistan.

Since 1992, the United States has observed a moratorium on nuclear explosive testing.

"The United States is committed to the ratification of the Comprehensive Nuclear Test-Ban Treaty and to its early entry into force...[and] calls on all governments to declare or reaffirm their commitment not to conduct explosive nuclear tests, and we urge all states that have not yet ratified the treaty to join us in this effort," she said.

The last state to ratify prior to Indonesia was Ghana, June 14, 2011, and the last Annex 2 state to ratify prior to Indonesia was Colombia, January 29, 2008. The Indonesian Parliament ratified CTBT on December 6, 2011.(*)

Editor: Heru Purwanto
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