60 ANNEX II Administrative arrangements for experts: Note by the Secretariat* I. INTRODUCTION 1. This note provides information on the basic rules and procedures governing United Nations official travel for experts. This includes all members of United Nations organs, such as members of human rights treaty bodies, independent experts, special rapporteurs, representatives and members of working groups, members of commissions of inquiry, etc. It also includes information on administrative formalities experts are required to complete when they take up their functions. II. TRAVEL ARRANGEMENTS A. Authorization for official travel 2. All official travel organized by the United Nations for experts must comply with the United Nations travel regulations and rules and is governed by the Secretary-General’s bulletin ST/SGB/107/Rev.6 and Administrative instruction ST/AI/2006/4. Official travel from place of residence to official destination and back is authorized through a travel authorization (TA), issued well in advance (minimum four weeks) of the proposed travel. Upon taking up their functions the experts are required to provide information regarding the place of residence and relevant contact details, including emergency contacts details, have to be communicated to the Secretariat. Any change of place of residence has to further be communicated to the Secretariat with official supporting documents. Travel requests are prepared by the substantive units of OHCHR supporting the expert(s), certified by the Travel Unit and approved by the United Nations Office at Geneva (UNOG). 3. The OHCHR Travel Unit processes more than 4,000 TAs per year. OHCHR initiates and certifies TAs for official missions according to the official itinerary and in accordance with the established United Nations travel regulations and rules. This annex has not been formally edited. *