Status of Ratification
On 16th September 2009, the Vienna
Convention and the Montreal Protocol became the first treaties in the
history of the United Nations to achieve universal ratification.
The table below shows the status of Ratification, Accession, or Approval of the agreements on the protection of the stratospheric ozone layer as provided by the Depositary, the United Nations Office of Legal Affairs, New York.
As of 15 April 2014, the status of ratification is as follows:
Selected Parties: United States of America
Signature Vienna Convention
Signature Montreal Protocol
1. United States of America
* Entry into force is after ninety days following the date of ratification/accession/acceptance/approval of the treaties for new Parties.
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Entry into force of the Treaties