A/HRC/37/81 13. In addition, special procedures mandate holders reported on their visits to 29 countries and territories. 14. The Special Rapporteur on the promotion and protection of the right to freedom of opinion and expression also presented supplementary materials accompanying his annual report. In the main report he examined the role of State and non-State actors in the provision of Internet and telecommunications access (or “digital access”) and their human rights obligations and responsibilities respectively. In the report, he provided guidance concerning the responsibility of digital access providers to respect freedom of expression online. 15. The Working Group on the issue of human rights and transnational corporations and other business enterprises presented a study on best practices and how to improve on the effectiveness of cross-border cooperation between States, with respect to law enforcement on the issue of business and human rights. 16. The Special Rapporteur on contemporary forms of racism, racial discrimination, xenophobia and related intolerance presented a report on combating glorification of Nazism, neo-Nazism and other practices that contribute to fuelling contemporary forms of racism, racial discrimination, xenophobia and related intolerance. 17. The special procedures also presented their communications report containing communications sent by all mandate holders between 1 December 2016 and 28 February 2017. The Special Rapporteur on the rights to freedom of peaceful assembly and of association and the Special Rapporteur on extrajudicial, summary or arbitrary executions presented reports containing observations on communications transmitted to Governments and replies received. III. Thirty-sixth session of the Human Rights Council 18. At the thirty-sixth session of the Human Rights Council, 17 special procedures mandate holders, including the holders of 13 thematic and 4 country mandates, presented their annual reports as follows: • Independent Expert on the promotion of a democratic and equitable international order • Special Rapporteur on the implications for human rights of the environmentally sound management and disposal of hazardous substances and wastes • Special Rapporteur on the rights of indigenous peoples • Working Group on the use of mercenaries as a means of violating human rights and impeding the exercise of the right of peoples to self-determination • Independent Expert on the enjoyment of all human rights by older persons • Special Rapporteur on the right to development • Special Rapporteur on contemporary forms of slavery, including its causes and consequences • Special Rapporteur on the promotion of truth, justice, reparation and guarantees of non-recurrence • Special Rapporteur on the negative impact of unilateral coercive measures on the enjoyment of human rights • Special Rapporteur on the human right to safe drinking water and sanitation • Working Group on Arbitrary Detention • Working Group on Enforced or Involuntary Disappearances • Working Group of Experts on People of African Descent • Special Rapporteur on the situation of human rights in Cambodia 4