A/HRC/4/105 Page 2 Summary The present report is submitted pursuant to resolution 2005/48 of the Commission on Human Rights in which it requests the United Nations High Commissioner for Human Rights to prepare and submit to the Commission a report on measures taken to implement the present resolution and on obstacles to its implementation, including information on measures taken by the Office of the High Commissioner for Human Rights (OHCHR) and other relevant United Nations bodies, and taking into account information and comments provided by Governments, intergovernmental organizations, human rights treaty bodies, specialized agencies, and non-governmental organizations (NGOs). In addition to reviewing the status of ratification of international instruments related to mass exoduses, this report presents an overview of the activities of OHCHR in this regard, as well as summaries of information received by Member States and the Office of the United Nations High Commissioner for Refugees (UNHCR) in response to a note verbale sent by OHCHR requesting information on recent developments in this area.