UN-Menschenrechtsausschuss
In June 2020, in collaboration with the New Macau Association, Chao submitted a comprehensive civil soceity report to the United Nations Human Rights Committee on human rights issues in Macau. The report covered freedom of expression, judicial procedure, privacy rights, government surveillance and the realisation of universal suffrage. The issues raised in the report were adopted by the United Nations Human Rights Committee in its review of Macau's ratification of the International Covenant on Civil and Political Rights.