S/RES/2282 (2016) 1645, and in this regard, expresses its intention to regularly request, deliberate and draw upon the specific, strategic and targeted advice of the Peacebuilding Commission, including to assist with the longer-term perspective required for sustaining peace being reflected in the formation, review and drawdown of peacekeeping operations and special political missions mandates; 9. Emphasizes the importance of drawing upon the advice of the Peacebuilding Commission when major agreements that relate to United Nations mission mandates and transitions, are agreed between the United Nations, national governments and authorities, and other relevant stakeholders; 10. Stresses the importance of closer cooperation between the Economic and Social Council and Peacebuilding Commission, in accordance with their respective mandates, including through enhanced dialogue in support of promoting coherence and complementarity between the United Nations’ peace and security efforts and its development, human rights and humanitarian work, and encourages the Peacebuilding Commission to draw on the expertise of relevant Economic and Social Council subsidiary bodies, as appropriate; 11. Encourages United Nations Member States participating in the Universal Periodic Review process of the Human Rights Council to consider the human rights dimensions of peacebuilding, as appropriate; 12. Stresses that a comprehensive approach to transitional justice, including promotion of healing and reconciliation, a professional, accountable and effective security sector, including through its reform, and inclusive and effective demobilization, disarmament and reintegration programmes, including the transition from demobilization and disarmament to reintegration, are critical to consolidation of peace and stability, promoting poverty reduction, rule of law, access to justice and good governance, further extending legitimate state authority, and preventing countries from lapsing or relapsing into conflict; 13. Recognizes that effective peacebuilding must involve the entire United Nations system, and in this regard, emphasizes the importance of joint analysis and effective strategic planning across the United Nations system in its long term engagement in conflict-affected countries and, where appropriate, in cooperation and coordination with regional and sub-regional organizations; 14. Emphasizes the important role that effective and responsive leadership in United Nations country operations can play in bringing together the United Nations system around a common strategy for sustaining peace, and in this regard, stresses the need for more coordinated, coherent and integrated peacebuilding efforts, including among United Nations missions, United Nations country teams, and national, regional and international development actors, in ensuring greater effectiveness and efficiency in the delivery of critical peacebuilding tasks; 15. Stresses that the Peacebuilding Support Office should be revitalized, and emphasizes that the full support of the Secretary-General is needed, in order for the Peacebuilding Support Office to support the Peacebuilding Commission, to increase synergies with other parts of the United Nations system, and to provide strategic advice to the Secretary-General, drawing together the expertise of the United Nations system to facilitate coherent system-wide action and support partnerships for sustaining peace; 16-06912 5/8