A/RES/61/146 effective national legislation, policies and action plans, strengthening relevant governmental structures for children and ensuring adequate and systematic training in the rights of the child for professional groups working with and for children; Urges States parties to withdraw reservations that are incompatible with 3. the object and purpose of the Convention or the Optional Protocols thereto and to consider reviewing other reservations with a view to withdrawing them; Welcomes the work of the Committee on the Rights of the Child, and 4. calls upon all States to strengthen their cooperation with the Committee, 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, and to take into account its recommendations on implementation of the Convention; Requests all relevant organs and mechanisms of the United Nations 5. system regularly and systematically to incorporate a strong child rights perspective throughout all activities in the fulfilment of their mandates, as well as to ensure that their staff are trained in child rights matters, and calls upon States to continue to cooperate closely with all those organs and mechanisms, in particular the special rapporteurs and special representatives of the United Nations system; Encourages States to strengthen their national statistical capacities and to 6. use statistics disaggregated, inter alia, by age, gender and other relevant factors that may lead to disparities and other statistical indicators at the national, subregional, regional and international levels to develop and assess social policies and programmes so that economic and social resources are used efficiently and effectively for the full realization of the rights of the child; II Promotion and protection of the rights of the child Registration, family relations and adoption or other forms of alternative care 7. Once again urges all States parties to intensify their efforts to comply with their obligations under the Convention on the Rights of the Child2 to preserve the child’s identity, including nationality, name and family relations, as recognized by law, to allow for the registration of the child immediately after birth, to ensure that registration procedures are simple, expeditious and effective and provided at minimal or no cost and to raise awareness of the importance of birth registration at the national, regional and local levels; Encourages States to adopt and enforce laws and improve the 8. implementation of policies and programmes to protect children growing up without parents or caregivers, recognizing that, where alternative care is necessary, familyand community-based care should be promoted over placement in institutions; Calls upon States to guarantee, to the extent consistent with the 9. obligations of each State, the right of a child whose parents reside in different States to maintain, on a regular basis, save in exceptional circumstances, personal relations and direct contact with both parents by providing enforceable means of access and visitation in both States and by respecting the principle that both parents have common responsibilities for the upbringing and development of their children; 10. Also calls upon States to address and pay particular attention to cases of international parental or familial child abduction, and encourages States to engage in multilateral and bilateral cooperation to resolve these cases, preferably by 3