A/HRC/16/43 2. Other capacity-building initiatives 14. Other capacity-building and technical-assistance initiatives were also undertaken with regard to individual Governments, including Chad, Yemen and Kenya to support their efforts to develop national policies and other initiatives with respect to various aspects of internal displacement. C. Mainstreaming activities and cooperation with regional and international organizations 15. Mainstreaming activities and cooperation with United Nations and other organizations remain key aspects of the mandate which allow it to both exchange and advance knowledge and good practices in relation to internal displacement. During the reporting period the mandate was active in participating in and bringing policy issues relating to IDPs for consultation within the Inter-Agency Standing Committee (IASC). Of particular note were the Operational Guidelines on the Protection of Persons in Situations of Natural Disasters (A/HCR/16/43/Add.5), which were endorsed by the IASC in October 2010 (see paragraphs 7-10 above for further details), and the working paper on the protection of internally displaced persons outside camps, which was co-authored with UNHCR and brought to the attention of the IASC Working Group in July 2010 in order to promote discussion and encourage practical changes amongst humanitarian actors (see paragraph 12 above) The Representative also provided country briefings to IASC members, such as the briefing on Haiti and Iraq, following his visits to both countries. 16. As the central venue within which to mainstream the human rights of IDPs, the mandate-holder and his staff participated at all levels of the IASC (Principals, Working Group, Task Forces). The Special Rapporteur will continue to actively engage in this forum in order to bring attention to and mainstream the human rights of IDPs within the broader humanitarian agenda. 17. The Office for the Coordination of Humanitarian Affairs (OCHA) and UNHCR, as well as the Office of the High Commissioner for Human Rights (OHCHR) continued to provide regular support towards policy initiatives and the missions of the mandate-holder. This included field support during the preparation and conduct of country missions. In the context of this collaboration, the mandate-holder had the opportunity to also regularly provide expert advice to UNHCR on issues related to internal displacement and to support the mainstreaming of internal displacement issues within the agency, including by participating in thematic or country-specific discussions. 18. These collaborative arrangements have strengthened the capacity and effectiveness of the mandate immeasurably. The Special Rapporteur wishes to express his appreciation for this support to date, as well as his intention to continue this collaboration. 19. The IDP mandate has also cooperated with the Special Representative of the Secretary-General on Children and Armed Conflict on a regular basis. In the course of the reporting period, the mandate holder contributed to a working paper on the rights of displaced children in armed conflict, and participated together with the newly appointed Special Rapporteur at the time, at a side event on the same topic in the margins of the General Assembly in New York in October 2010. With regard to cooperation with the Peacebuilding Commission, the mandate-holder engaged with them on a regular basis, including to coordinate activities with respect to the Central African Republic, and by providing his expertise on IDP related issues in this country at a meeting on 21 July 2010. 20. Complementing the mainstreaming activities detailed above, the mandate holder maintained ongoing cooperation with regional and international organizations. On 26 April 6