A/RES/65/240 35. Also recommends that all States give due attention to and closely monitor the way in which the concept of national identity is debated within their societies, with a view to preventing it from being used as a tool to create artificial differences among some groups of the population; 36. Expresses concern at recent deeply marked tendencies within numerous societies to characterize migration as a problem and a threat to social cohesion, and in this context notes the numerous human rights challenges in combating racism, racial discrimination, xenophobia and related intolerance; 37. Recommends that States conduct human rights training, including on the challenges of racism, racial discrimination, xenophobia and related intolerance faced by migrants, refugees and asylum-seekers, for law enforcement officials, especially immigration officials and border police, so that they may act in conformity with international human rights law; 38. Also recommends that States collect disaggregated data in order to design appropriate anti-racial discrimination legislation and policies and monitor their effectiveness, while abiding by some key principles, including self-identification, the right to privacy, and guaranteeing the consent of those concerned, in the design and implementation of the exercise; IV Outcomes of the 2001 World Conference against Racism, Racial Discrimination, Xenophobia and Related Intolerance and the 2009 Durban Review Conference 39. Reaffirms that the General Assembly is the highest intergovernmental mechanism for the formulation and appraisal of policy on matters relating to the economic, social and related fields, in accordance with Assembly resolution 50/227 of 24 May 1996, and that, together with the Human Rights Council, it shall constitute an intergovernmental process for the comprehensive implementation of and follow-up to the Durban Declaration and Programme of Action;1 40. Emphasizes that the basic responsibility for effectively combating racism, racial discrimination, xenophobia and related intolerance lies with States, and to this end stresses that States have the primary responsibility to ensure the full and effective implementation of all commitments and recommendations contained in the Durban Declaration and Programme of Action as well as the outcome of the Durban Review Conference,3 and in this regard welcomes the steps taken by numerous Governments; 41. Calls upon all States that have not yet elaborated their national action plans on combating racism, racial discrimination, xenophobia and related intolerance to comply with their commitments undertaken at the World Conference against Racism, Racial Discrimination, Xenophobia and Related Intolerance of 2001; 42. Calls upon all States to formulate and implement without delay, at the national, regional and international levels, policies and plans of action to combat racism, racial discrimination, xenophobia and related intolerance, including their gender-based manifestations; 43. Urges States to support the activities of existing regional bodies or centres that combat racism, racial discrimination, xenophobia and related intolerance in their respective regions, and recommends the establishment of such bodies in all regions where they do not exist; 7