CAT/C/KWT/CO/2 their rights in a language they understand and have access to the fundamental legal safeguards from the moment they are deprived of their liberty, without any discrimination. National human rights institution 27. The Committee notes with concern that the State party has not yet established a national human rights institution to promote and protect human rights in the State party, in accordance with the principles relating to the status of national institutions for the promotion and protection of human rights (the Paris Principles) (General Assembly resolution 48/134, annex) (art. 2). The State party should establish an independent national human rights institution, in accordance with the Paris Principles Data collection 28. The Committee regrets the absence of comprehensive and disaggregated data on complaints, investigations, prosecutions and convictions of cases of torture and illtreatment by law enforcement, security, intelligence and prison personnel, as well as on trafficking, ill-treatment of migrant workers, and domestic and sexual violence. The State party should compile statistical data relevant to the monitoring of the implementation of the Convention at the national level, including data on complaints, investigations, prosecutions and convictions of cases of torture and ill-treatment, trafficking, ill-treatment of migrant workers and domestic and sexual violence as well as on compensation and rehabilitation provided to the victims. 29. The Committee recommends that the State party consider ratifying the Optional Protocol to the Convention. 30. The Committee welcomes the commitment of the State party made during the dialogue to withdraw its reservation to article 20 of the Convention. 31. The Committee recommends that the State party consider making the declarations envisaged under articles 21 and 22 of the Convention. 32. The Committee invites the State party to ratify the core United Nations human rights treaties to which it is not yet a party, namely, the Convention on the Rights of Persons with Disabilities, the Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families and the Convention for the Protection of All Persons from Enforced Disappearance. 33. The Committee invites the State party to ratify the Rome Statute on the International Criminal Court, the Convention on the Status of Stateless Persons and the Convention on the Reduction of Statelessness. 34. The Committee invites the State party to present its next periodic report accordance with its reporting guidelines and to observe the page limit of 40 pages for the treaty-specific document. The Committee also invites the State party to update its common core document in accordance with the requirements of the common core document contained in the harmonized guidelines on reporting under the international human rights treaties (HRI/GEN.2/Rev.6), approved by the Inter-Committee meeting of the human rights treaty bodies, and to observe the page limit of 80 pages for the common core document. The treaty-specific document and the common core document together constitute the reporting obligation of the State party under the Convention. 8