A/HRC/42/1 Arbitrary detention 45. In its resolution 33/30, the Council extended the mandate of the Working Group on Arbitrary Detention for a further period of three years. The Council will consider the report of the Working Group (A/HRC/42/39 and Add. 1). Enforced or involuntary disappearances 46. In its resolution 36/6, the Human Rights Council extended the mandate of the Working Group on Enforced or Involuntary Disappearances for a further period of three years, in conformity with the terms set forth in Council resolution 7/12. The Council will consider the report of the Working Group (A/HRC/42/40 and Add.1–3). Contemporary forms of slavery 47. In its resolution 33/1, the Human Rights Council renewed the mandate of the Special Rapporteur on contemporary forms of slavery, including its causes and consequences for a period of three years, and requested the Special Rapporteur to submit reports on the implementation of the mandate to the Council in accordance with its annual programme of work. The Council will consider the report of the mandate holder, Urmila Bhoola (A/HRC/42/44 and Add.1). Truth, justice, reparation and guarantees of non-recurrence 48. In its resolution 36/7, the Human Rights Council extended the mandate of the Special Rapporteur on the promotion of truth, justice, reparation and guarantees of nonrecurrence for a period of three years, and requested the Special Rapporteur to continue to report annually to the Council. The Council will consider the report of the mandate holder, Fabián Salvioli (A/HRC/42/45 and Add.1). Right to development 49. In its resolution 39/9, the Human Rights Council requested the High Commissioner to continue to submit to the Council an annual report on the activities of OHCHR that have direct relevance to the realization of the right to development, and to provide an analysis of its implementation. In its resolution 73/166, the General Assembly requested the SecretaryGeneral to submit an interim report to the Council on the implementation of that resolution, including efforts made at the national, regional and international levels in the promotion and realization of the right to development. The Council will consider the consolidated report of the Secretary-General and the High Commissioner (A/HRC/42/29) (see para. 32 above). 50. In its resolutions 9/3, 27/2 and 39/9, the Human Rights Council decided that the Working Group on the Right to Development should convene annual sessions of five working days and submit its reports to the Council. The Council will have before it the report of the Working Group on its twentieth session, held from 29 April to 3 May 2019 (A/HRC/42/35). 51. In its resolution 33/14, the Human Rights Council decided to appoint, for a period of three years, a Special Rapporteur on the right to development, and requested the Special Rapporteur to submit an annual report to the Council covering all activities relating to the mandate. The Council will consider the report of the mandate holder, Saad Alfarargi (A/HRC/42/38 and Add.1). Rights of peoples and of specific groups and individuals Human rights of indigenous peoples 52. In its resolution 39/13, the Human Rights Council decided, in accordance with its resolution 18/8, that the theme for the annual half-day panel discussion on the rights of indigenous peoples, to be held during its forty-second session, would be “Promotion and preservation of indigenous languages” (see annex). 7