A/RES/55/84 4. Urges all Governments to take all necessary measures to combat new forms of racism, in particular by constantly adapting the means provided to combat them, especially in the legislative, judicial, administrative, educational and information fields; 5. Calls upon all States resolutely to bring to justice the perpetrators of crimes motivated by racism, and calls upon those that have not done so to consider including racist motivation as an aggravating factor for the purposes of sentencing; 6. Requests the United Nations High Commissioner for Human Rights to assign high priority to the follow-up to programmes and activities for combating racism and racial discrimination, consistent with the need to ensure the effective preparation of the World Conference against Racism, Racial Discrimination, Xenophobia and Related Intolerance; 7. Requests the Secretary-General in his reports on racism, racial discrimination, xenophobia and related intolerance to accord special attention to and provide information on the situation of migrant workers and members of their families in this regard; 8. Calls upon all Member States 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 Families9 as a matter of priority; 9. Commends all States that have ratified or acceded to the international instruments to combat racism and racial discrimination, especially the International Convention on the Elimination of All Forms of Racial Discrimination2 and the Convention against Discrimination in Education;3 10. Urges all States that have not yet done so to become parties to the International Convention on the Elimination of All Forms of Racial Discrimination in order to achieve its universal ratification; 11. Urges States to limit the extent of any reservation that they lodge to the International Convention on the Elimination of All Forms of Racial Discrimination, to formulate any reservation as precisely and as narrowly as possible, to ensure that no reservations are incompatible with the objective and purpose of the Convention or otherwise incompatible with international treaty law, to review their reservations on a regular basis with a view to withdrawing them and to withdraw reservations that are contrary to the objective and purpose of the Convention or that are otherwise incompatible with international treaty law; 12. Emphasizes the importance of the full compliance of States parties with the obligations that they have accepted under the International Convention on the Elimination of All Forms of Racial Discrimination; 13. Urges all States parties to intensify efforts to meet the obligations that they have accepted under article 4 of the International Convention on the Elimination of All Forms of Racial Discrimination, with due regard to the principles contained in the Universal Declaration of Human Rights1 and to article 5 of the Convention, with respect to: (a) Declaring an offence punishable by law any dissemination of ideas based on racial superiority or hatred, incitement to racial discrimination and all acts of violence or incitement to such acts against any race or group of persons of another 4