A/HRC/22/21 first session, in October 2012, and reference thereof will be introduced to its rules of procedure. The Committee also adopted a new format for its concluding observations. 8. The Committee on the Rights of Persons with Disabilities amended its rules of procedure to incorporate the above-mentioned guidelines on independence and impartiality. It moreover formally adopted a follow-up procedure. 9. The Committee on Enforced Disappearances adopted its rules of procedure (CED/C/1). The Committee also adopted its guidelines on the form and content of reports under article 29 to be submitted by States parties to the Convention at its second session, in March 2012. It furthermore adopted a procedure to send lists of topics to reporting States in order to prepare for the dialogue. 10. The Subcommittee on the Prevention of Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment adopted its amended rules of procedure at its eighteenth session, in November 2012. The Subcommittee also established working groups to examine reprisals; procedural issues, including difficulties of access to places of detention; systemic issues relating to the interaction of the Subcommittee with national preventive mechanisms; the induction and continuous training of members; and the revision of the Standard Minimum Rules for the Treatment of Prisoners. 11. The Committee on the Protection of the Rights of All Migrant Workers and Members of Their Families also amended its rules of procedure to install a non-reporting procedure. In April 2012, the Committee adopted its first lists of issues prior to reporting. The Committee also reduced the length of its concluding observations and adopted a reporting calendar under which the Committee intends to consider all State party reports within a reporting cycle of five years as from 2014. 12. At its forty-ninth session, in November 2012, the Committee against Torture adopted its general comment No. 3 on redress for victims of torture (article 14 of the Convention). A number of general comments or general recommendations are in various stages of development with the different treaty bodies. 13. Treaty bodies and the secretariat continued efforts to harmonize and standardize their work, including at the 24th meeting of chairpersons. 14. In 2012, the Committee on the Elimination of Discrimination against Women, the Committee on the Rights of the Child, the Committee on the Rights of Persons with Disabilities and the Subcommittee on the Prevention of Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment held meetings of States parties in Geneva and New York, essentially to hold elections to fill seats for which mandates had terminated. The Committee against Torture, the Committee on the Elimination of Discrimination against Women, the Committee on Enforced Disappearances, the Committee on the Protection of the Rights of All Migrant Workers and Members of Their Families and the Subcommittee on the Prevention of Torture held informal meetings with States parties. The meetings were well attended and provided an opportunity for States parties and treaty bodies to discuss the most recent developments in the work of treaty bodies, as well as other matters of common interest, in particular the efforts of treaty bodies to improve their working methods. 15. The Committee on the Elimination of Racial Discrimination held a day of thematic discussion on racist hate speech at its eighty-first session, in August 2012. The Committee on the Rights of the Child, at its sixty-first session, in September 2012, held a day of general discussion on the rights of all children in the context of international migration. The event was attended by more than 250 participants, including representatives of States, child rights and migration rights civil society actors, and child representatives. The Subcommittee on the Prevention of Torture, at its sixteenth session, in February 2012, organized a thematic discussion on mental health in places of deprivation of liberty. The 4