A/HRC/RES/23/25 participants in decision-making processes, including peace, transitional justice, political transition and constitutional reform processes; 16. Takes note of the efforts to develop a non-binding international protocol on the investigation and documentation of sexual violence in conflict, drawing on existing local, regional and international guidance, to set out international standards for the investigation of rape and sexual violence to ensure that the strongest possible evidence is collected and that victims receive sensitive and sustained support; 17. Affirms its intention to ensure that, where appropriate, the mandates of future fact-finding missions or commissions of inquiry require them to devote specific attention to violence against women and girls in their reports and recommendations, or upon renewal of existing mandates; 18. Invites the Office of the United Nations High Commissioner for Human Rights, within its mandate, to make expertise promptly available to investigate allegations of mass rape or systematic sexual violence, including by utilizing existing regionally diverse and gender-balanced multilateral rosters of readily deployable trained professionals, such as the United Nations Entity for Gender Equality and the Empowerment of Women/Justice Rapid Response joint roster of international investigators of sexual and gender-based crimes; 19. Also invites the Office of the High Commissioner to include, during the annual full-day discussion on women’s human rights to be held during the twenty-ninth session of the Human Rights Council, a discussion on the outcome of the meeting of the open-ended intergovernmental expert group to be convened by the Secretary-General in 2014 and organized by the Commission on Crime Prevention and Criminal Justice on ways and means to more effectively prevent, prosecute and punish gender-related killings of women and girls, and on the work carried out on good and promising practices, such as the non-binding model protocol and the best practices guide for the investigation of genderrelated killings in Latin America; 20. Welcomes the work of the Special Rapporteur on violence against women, its causes and consequences and of the Special Representative of the Secretary-General on Sexual Violence in Conflict, and takes note with appreciation of the report of the Special Rapporteur on State responsibility for eliminating violence against women;2 21. Decides to extend the mandate of the Special Rapporteur on violence against women, its causes and consequence, as set out by the Human Rights Council in its resolution 16/7, for a period of three years; 22. Also decides to continue consideration of the issue of the elimination of all forms of violence against women and girls, its causes and consequences, as a matter of high priority, in conformity with its annual programme of work. 40th meeting 14 June 2013 [Adopted without a vote.] 2 A/HRC/23/49/Add.5. 5