This document provides information and guidelines for official delegations attending the United Nations Conference on Sustainable Development (Rio+20) in Rio de Janeiro, Brazil. It addresses topics such as accreditation, visas, firearms, health regulations, transportation, accommodations, and procedures for arriving in Rio via commercial or official flights. Delegations are advised to submit required forms and requests well in advance of travel to ensure smooth entry and participation in the conference. The document aims to facilitate the travel and participation of international delegations at this important UN summit.