6. Urges all States to review and, where necessary, revise their immigration laws, policies and practices so that they are free of racial discrimination and compatible with their obligations under international human rights instruments;
6. 吁请所有国家在必要时审查订正其移民法、移民政策及做法，使之不含种族歧视内容，并符合各国按国际人权文书承担的义务；