CEDAW/C/2009/WP.1/R information regarding perpetrators within their territory, States parties should take measures to investigate, prosecute and punish them (article 2 (c)). Recommendations concerning monitoring and reporting 28. States parties should include in their reports information about the legal framework, policies and programmes they have implemented to protect the rights of women migrant workers, taking into consideration the sex- and gender-based human rights concerns listed in paragraphs 10 to 22 and guided by the recommendations given in paragraphs 23 to 27 of this general recommendation. Adequate data should be collected on the enforcement and effectiveness of laws, policies and programmes and the de facto situation of women migrant workers, so that the information in the reports is meaningful. This information should be provided under the most appropriate articles of the Convention, guided by the suggestions given against all the recommendations. Ratification or accession to relevant human rights treaties 29. States parties are encouraged to ratify all international instruments relevant to the protection of the human rights of migrant women workers, in particular, the International Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families. 14 08-63558