A/CONF.171/13 English Page 74 particularly those of receiving countries, must recognize the vital importance of family reunification and promote its integration into their national legislation in order to ensure the protection of the unity of the families of documented migrants. Governments of receiving countries must ensure the protection of migrants and their families, giving priority to programmes and strategies that combat religious intolerance, racism, ethnocentrism, xenophobia and gender discrimination and that generate the necessary public sensitivity in that regard. 10.13. Governments of countries of destination should respect the basic human rights of documented migrants as those Governments assert their right to regulate access to their territory and adopt policies that respond to and shape immigration flows. With regard to the admission of migrants, Governments should avoid discriminating on the basis of race, religion, sex and disability, while taking into account health and other considerations relevant under national immigration regulations, particularly considering the special needs of the elderly and children. Governments are urged to promote, through family reunion, the normalization of the family life of legal migrants who have the right to long-term residence. 10.14. Governments should consider providing assistance and cooperation for programmes that would address the adverse social and economic consequences of forced migration. C. Undocumented migrants Basis for action 10.15. It is the right of every nation State to decide who can enter and stay in its territory and under what conditions. Such right, however, should be exercised taking care to avoid racist or xenophobic actions and policies. Undocumented or irregular migrants are persons who do not fulfil the requirements established by the country of destination to enter, stay or exercise an economic activity. Given that the pressures for migration are growing in a number of developing countries, especially since their labour force continues to increase, undocumented or irregular migration is expected to rise. Objectives 10.16. (a) The objectives are: To address the root causes of undocumented migration; (b) To reduce substantially the number of undocumented migrants, while ensuring that those in need of international protection receive it; to prevent the exploitation of undocumented migrants and to ensure that their basic human rights are protected; /...