A/HRC/RES/37/20 applicable to them in armed conflicts which are relevant to the child, and their obligation under international humanitarian law to protect the civilian population in armed conflicts, and calls upon States to take all feasible measures to ensure the protection and care of children who are affected by an armed conflict; 5. Urges States to provide age-, disability- and gender-sensitive humanitarian assistance, including specialized child protection services, to children in the context of humanitarian situations, including refugee and displaced children, that takes into account the particular vulnerabilities and specific protection needs of children, including those who have been forced to flee violence, who have suffered persecution, who are the primary caregivers of families, who have disabilities or who are unaccompanied or separated; 6. Also urges States, in accordance with their obligations under international law, to take all appropriate steps to facilitate the reunification of families separated in armed conflict, including, where relevant, by establishing a national bureau to receive information from and transmit information to family members, by supplying to the Central Tracing Agency of the International Committee of the Red Cross information concerning persons reported missing and by encouraging the work of the humanitarian organizations engaged in the task of family tracing and reunification, and, in cases where no parents or other family members of a child can be found, to ensure that the child is accorded the same protection as any other child permanently or temporarily deprived of his or her family environment for any reason; 7. Calls upon States to put in place, if they have not yet done so, appropriate policies, systems and procedures to ensure that the best interests of the child are a primary consideration in all actions or decisions concerning migrant children, regardless of their migration status, and to use alternatives to the detention of migrant children, including by promoting the use of non-custodial solutions, implemented by competent child protection actors engaging with the child and, where applicable, his or her family; 8. Urges States, in accordance with their obligations under international law, to take all feasible measures to ensure that children who have not yet attained the age of 18 do not take direct part in hostilities, to refrain from recruiting children under the age of 15 into their armed forces, and to ensure that persons who have not attained the age of 18 are not compulsorily recruited into their armed forces; 9. Strongly condemns the recruitment and use of children in violation of applicable international law, and calls upon States to take all feasible measures to implement effective measures for the rehabilitation and physical and psychological recovery of those who have been so recruited or used and for their reintegration into society, in particular through educational measures, taking into account the rights and specific needs of girls; 10. Urges States to ensure that timely and adequate funding and attention is dedicated to children in the contexts of national disarmament, demobilization and reintegration programmes and of settlement, rehabilitation and reintegration efforts for children associated with armed forces and groups, including detained children, and to secure the long-term sustainability of such efforts; 11. Calls upon States to protect children in the context of humanitarian situations from all forms of sale of children, including illegal adoption, and from all forms of trafficking in persons, including by training all stakeholders to identify potential child victims of trafficking and children at risk of being trafficked; 12. Welcomes the determination of the Secretary-General to implement fully the United Nations policy of zero tolerance of sexual exploitation and abuse; 13. Invites all stakeholders to promote the use of the Inter-Agency Standing Committee’s Guidelines for Integrating Gender-based Violence Interventions in Humanitarian Action, the Minimum Standards for Child Protection in Humanitarian Action and the Inter-Agency Guiding Principles on Unaccompanied and Separated Children; 14. Calls upon States to develop, in consultation with children consistent with their evolving capacities, and integrate into humanitarian responses, from the early stages 3