A/RES/56/131 12. Invites Governments to identify the causes of undocumented migration and its economic, social and demographic impact, as well as its implications for the formulation and application of social, economic and migration policies, including those relating to women migrant workers; 13. Encourages concerned Governments, in particular those of the countries of origin, transit and destination, to avail themselves of the expertise of the United Nations, including the Statistics Division of the Secretariat and other relevant bodies, such as the International Research and Training Institute for the Advancement of Women, to develop appropriate national data-collection methodologies that will generate comparable data on violence against women migrant workers as bases for research and analyses of the subject; 14. Encourages Member States to consider signing and ratifying or acceding to relevant International Labour Organization conventions and to consider signing and ratifying or acceding to the International Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families, 9 as well as the Slavery Convention of 1926; 10 15. Welcomes the adoption by the General Assembly of the Protocol to Prevent, Suppress and Punish Trafficking in Persons, Especially Women and Children 11 and the Protocol against the Smuggling of Migrants by Land, Sea and Air, 12 supplementing the United Nations Convention against Transnational Organized Crime, 13 and encourages Governments to consider signing and ratifying or acceding to the Protocols; 16. Encourages the Committee on the Elimination of Discrimination against Women to consider developing a general recommendation on the situation of women migrant workers; 17. Requests the Secretary-General to submit to the General Assembly at its fifty-eighth session a report on the problem of violence against women migrant workers and on the implementation of the present resolution, taking into account updated information from the organizations of the United Nations system, in particular the International Labour Organization, the United Nations Development Programme, the United Nations Development Fund for Women and the International Research and Training Institute for the Advancement of Women, as well as the International Organization for Migration and other relevant sources, including nongovernmental organizations. 88th plenary meeting 19 December 2001 _______________ 9 Resolution 45/158, annex. United Nations, Treaty Series, vol. 212, No. 2861. 11 Resolution 55/25, annex II. 12 Ibid., annex III. 13 Ibid., annex I. 10 4