A/RES/59/314 165. We insist on the highest standards of behaviour from all United Nations personnel and support the considerable efforts under way with respect to the implementation of the Secretary-General’s policy of zero tolerance regarding sexual exploitation and abuse by United Nations personnel, both at Headquarters and in the field. We encourage the Secretary-General to submit proposals to the General Assembly leading to a comprehensive approach to victims’ assistance by 31 December 2005. 166. We encourage the Secretary-General and all decision-making bodies to take further steps in mainstreaming a gender perspective in the policies and decisions of the Organization. 167. We strongly condemn all attacks against the safety and security of personnel engaged in United Nations activities. We call upon States to consider becoming parties to the Convention on the Safety of United Nations and Associated Personnel 42 and stress the need to conclude negotiations on a protocol expanding the scope of legal protection during the sixtieth session of the General Assembly. System-wide coherence 168. We recognize that the United Nations brings together a unique wealth of expertise and resources on global issues. We commend the extensive experience and expertise of the various development-related organizations, agencies, funds and programmes of the United Nations system in their diverse and complementary fields of activity and their important contributions to the achievement of the Millennium Development Goals and the other development objectives established by various United Nations conferences. 169. We support stronger system-wide coherence by implementing the following measures: Policy • Strengthening linkages between the normative work of the United Nations system and its operational activities • Coordinating our representation on the governing boards of the various development and humanitarian agencies so as to ensure that they pursue a coherent policy in assigning mandates and allocating resources throughout the system • Ensuring that the main horizontal policy themes, such as sustainable development, human rights and gender, are taken into account in decisionmaking throughout the United Nations Operational activities • Implementing current reforms aimed at a more effective, efficient, coherent, coordinated and better-performing United Nations country presence with a strengthened role for the senior resident official, whether special representative, resident coordinator or humanitarian coordinator, including appropriate authority, resources and accountability, and a common management, programming and monitoring framework _______________ 42 36 United Nations, Treaty Series, vol. 2051, No. 35457.