governmental structures for children, including, where appropriate, ministers in charge of child issues and independent commissioners for the rights of the child; 5. Calls upon all States to use reliable statistics and statistical indicators at national, regional and international levels in order to develop and assess social policies and programmes so that economic and social resources are used efficiently and effectively; 6. Calls upon States parties: (a) To accept, as a matter of priority, the amendment to article 43, paragraph 2, of the Convention regarding the expansion of the Committee on the Rights of the Child from 10 to 18 members; (b) To ensure that the members are of high moral standing and recognized competence in the field covered by the Convention, serving in their personal capacity, consideration being given to equitable geographical distribution, as well as to the principal legal systems; (c) To cooperate closely with the Committee and to comply in a timely manner with their reporting obligations under the Convention and the Optional Protocols thereto, in accordance with the guidelines elaborated by the Committee, as well as to take into account the recommendations made by the Committee in the implementation of the provisions of the Convention and to strengthen their cooperation with the Committee; 7. Requests the Office of the United Nations High Commissioner for Human Rights, United Nations mechanisms, all relevant organs of the United Nations system, in particular special representatives, special rapporteurs and working groups, regularly and systematically to include a child rights perspective in the fulfilment of their mandates, and calls upon States to cooperate closely with them; 8. Reaffirms the importance of ensuring adequate and systematic training in the rights of the child for law enforcement and other professions whose work has an impact on children, as well as coordination between various governmental bodies; 9. Calls upon all States to put an end to impunity, where applicable, for all crimes, including where children are victims, in particular those of genocide, crimes against humanity and war crimes, and to bring perpetrators of such crimes to justice; 10. Calls upon all States and relevant actors concerned to continue to cooperate with the special rapporteurs and special representatives of the United Nations system in the implementation of their mandates, requests the Secretary-General to provide them with appropriate staff and facilities from the United Nations regular budget, when this is in accordance with their respective mandates, invites States to continue to make voluntary contributions, where appropriate, and urges all relevant parts of the United Nations system to provide them with comprehensive reporting to make the full discharge of the mandate possible; 11. Decides, with regard to the Committee, to request the Secretary-General to ensure the provision of appropriate staff and facilities from the United Nations regular budget for the effective and expeditious performance of the functions of the Committee, and invites the Committee to continue to enhance its constructive dialogue with the States parties and its transparent and effective functioning; II. PROTECTION AND PROMOTION OF THE RIGHTS OF THE CHILD Identity, family relations and birth registration Reaffirming paragraph 15 of its resolution 2000/85, 12. Calls upon all States: (a) To continue to intensify efforts to ensure the registration of all children, immediately after birth, including by the consideration of simplified, expeditious and effective procedures; page 3