Arrangements for admission to United Nations Headquarters during the High-level Plenary Meeting of the General Assembly on the Millennium Development Goals, to be held from 20 September to 22 September 2010, the high-level meeting of the General Assembly as a contribution to the International Year of Biodiversity, to be held on 22 September, the period of the general debate, from 23 September to 30 September 2010, and the high-level review to assess progress made in addressing the vulnerabilities of small island developing States, to be held from 24 to 25 September 2010 / from the Under-Secretary-General for the Department of Safety and Security