A/HRC/RES/12/11 page 5 the area of human rights and transitional justice and by facilitating the work of relevant special procedures; 18. Calls upon the international community and regional organizations to assist countries, who so consent, in the context of transitional justice, to ensure the promotion and protection of human rights and to incorporate best practices into the development and implementation of transitional justice mechanisms; 19. Recommends that a human rights and transitional justice perspective be taken into account in peace negotiations, and that those conducting peace negotiations draw upon the relevant human rights and transitional justice expertise available within the United Nations system; 20. Requests the Office of the United Nations High Commissioner for Human Rights to continue to enhance its leading role within the United Nations, including with regard to conceptual and analytical work regarding transitional justice, and to assist States, with their consent, to design, establish and implement transitional justice mechanisms from a human rights perspective, while stressing the importance of close cooperation between the Office of the High Commissioner and other relevant parts of the United Nations, as well as other international and non-governmental organizations, with regard to incorporating human rights and best practices into the development and implementation of transitional justice mechanisms and to the ongoing process of strengthening the United Nations system in the area of the rule of law and transitional justice; 21. Also requests the Office of the High Commissioner to submit to the Council, at its eighteenth session, a report containing an update of the activities undertaken by the Office in the context of transitional justice, including by the human rights components of peace missions, as well as an analysis of the relationship between disarmament, demobilization and reintegration and transitional justice, in consultation with the United Nations Development Programme, the Department of Peacekeeping Operations and other relevant parts of the United Nations system, civil society, States and other stakeholders; 22. Requests other parts of the United Nations system to cooperate fully with the Office of the High Commissioner in the area of human rights and transitional justice; 23. Invites relevant special procedures of the Council, as appropriate, in the framework of their mandates, to continue to address the relevant aspects of transitional justice in their work; 24. Decides to continue its consideration of this matter at its eighteenth session, or at the corresponding session in conformity with its annual programme of work. 30th meeting 1 October 2009 [Adopted without a vote.]