Declaration made upon signature and confirmed upon ratification:
"The Government of the United Kingdom of Great Britain and Northern Ireland declare their understanding that article 3 of the Convention sets out a guiding principle to be taken into account in the implementation of the Convention.
The Government of the United Kingdom of Great Britain and Northern Ireland also declare their understanding that the decisions to be taken by the Conference of the Parties under paragraph 1 of article 21 concern "the amount of resources needed" by the financial mechanism, and that nothing in article 20 or 21 authorises the Conference of the Parties to take decisions concerning the amount, nature, frequency or size of the contributions of the Parties under the Convention."
On 29 June 2016, the Secretary-General received the following communication:
"… the Government of the United Kingdom of Great Britain and Northern Ireland wishes the United Kingdom's Ratification of the Convention be extended to the following territory: Falkland Islands - for whose international relations the United Kingdom is responsible.
The Government of the United Kingdom of Great Britain and Northern Ireland considers the extension of the Convention to the territory of the Falkland Islands to enter into force on the date of deposit of this notification…"
On 27 March 2015, the Secretary-General received the following communication:
"... the Government of the United Kingdom of Great Britain and Northern Ireland wishes the United Kingdom's Ratification of the Convention be extended to the territory of South Georgia and South Sandwich Islands for whose international relations the United Kingdom is responsible.
The Government of the United Kingdom of Great Britain and Northern Ireland considers the extension of the Convention to South Georgia and South Sandwich Islands to enter into force from the day of deposit of this notification ..."
On 9 July 2014, the Secretary-General received from the Government of Spain the following communication with regard to the Territorial Application by the United Kingdom of Great Britain and Northern Ireland to Gibraltar:
1. Gibraltar is a Non-Self-Governing Territory for whose international relations the Government of the United Kingdom is responsible and which is subject to a process of decolonization in accordance with the relevant decisions and resolutions of the General Assembly.
2. The authorities of Gibraltar are local in character, and exercise competences exclusively over internal affairs that originate in and are based on the powers allocated to and conferred on them by the United Kingdom, in accordance with its domestic legislation and in its capacity as the sovereign State upon which depends the said Non-Self-Governing Territory.
3. Consequently, any involvement by the Gibraltarian authorities in the implementation of this Convention shall be understood to take place exclusively within the framework of the internal affairs of Gibraltar and shall not be considered to affect in any way the content of the two preceding paragraphs.
4. The procedure envisaged in the Arrangements relating to Gibraltar authorities in the context of certain international treaties, which were agreed to by Spain and the United Kingdom on 19 December 2007 (together with "Agreed Arrangements relating to Gibraltar authorities in the context of European Union and European Community Instruments and Related Treaties" of 19 April 2000) applies to the present Convention.
5. The application to Gibraltar of the present Convention cannot be interpreted as recognition of any rights or situations involving matters not included in Article 10 of the Treaty of Utrecht of 13 July 1713, signed by the crowns of Spain and Great Britain.
On 8 May 2012, the Secretary-General received the following communication:
"… The Government of the United Kingdom of Great Britain and Northern Ireland wishes the United Kingdom’s ratification of the [Convention on Biological Diversity] to be extended to the following territory for whose international relations the United Kingdom is responsible: Isle of Man.
The Government of the United Kingdom of Great Britain and Northern Ireland considers the extension of the aforesaid Convention to the Isle of Man to enter into force on the ninetieth day after the deposit of this notification [i.e. on 6 August 2012]."
In respect of the United Kingdom of Great Britain and Northern Ireland, the Bailiwick of Jersey, the British Virgin Islands, the Cayman Islands, Gibraltar, St. Helena and St. Helena Dependencies.