European Commission Delegation is now European Union DelegationUnder the Lisbon Treaty, which entered into force on 1 December, the European Commission Delegation to the United Nations has become a European Union delegation and will work under the authority of Catherine Ashton, the High Representative for Foreign Policy, and fall within the structure of the EEAS, once this is up and running.
http://www.eu-un.europa.eu/
http://www.eu-un.europa.eu/articles/en/article_9279_en.htm

http://www.eu-un.europa.eu/articles/en/article_9239_en.htm