CRC/C/CHN/CO/2 page 6 selective abortions and infanticide and take all necessary measures to eliminate any negative consequences arising from family planning policies, including abandonment and non-registration of children and unbalanced sex ratios at birth. Non-discrimination 30. While noting efforts by the State party to address the Committee’s previous concerns related to discrimination, it remains concerned about discrimination against certain groups on the mainland, such as girls; children infected with or affected by HIV/AIDS; children with disabilities; ethnic and religious minorities, such as Tibetan, Uighur and Hui children; and internal migrant children. 31. The Committee is concerned about the persistence of discrimination against refugee, asylum-seeking and undocumented migrant children in the Hong Kong SAR, and the lack of legislation specifically prohibiting discrimination on the basis of race or sexual orientation. The Committee regrets the lack of available information on the practical implementation of article 2 of the Convention in the Macau SAR. 32. The Committee recommends that on the mainland the State party strengthen efforts to eliminate discrimination against girls; children infected with or affected by HIV/AIDS; children with disabilities; Tibetan, Uighur and Hui children and children belonging to other ethnic and religious minorities; internal migrant children and other vulnerable groups by: (a) Ensuring that these children have equal access to basic services, including health, education and other social services, and that services used by these children are allocated sufficient financial and human resources; (b) Enhancing monitoring of programmes and services implemented by local authorities with a view to identifying and eliminating disparities. 33. The Committee recommends that in the Hong Kong SAR the State party expedite its efforts to draft and adopt legislation prohibiting discrimination on the basis of race or sexual orientation. The Committee requests that in its next periodic report specific information be included on the practical implementation of article 2 in the Macau SAR. 34. The Committee requests that specific information be included in the next periodic report on the measures and programmes relevant to the Convention on the Rights of the Child undertaken by the State party to follow up on the Declaration and Programme of Action adopted at the 2001 World Conference against Racism, Racial Discrimination, Xenophobia and Related Intolerance and taking account of Committee’s general comment No. 1 (2001) on the aims of education. Best interests of the child 35. The Committee is concerned about the limited information provided by the State party for all areas under its jurisdiction on how the principle of the best interests of the child is used as a primary consideration in all actions concerning children.