UN Rapporteur: 2nd Report
27 October 2014
"The present report addresses concerns about the exercise of the rights to freedom of peaceful assembly and of association in the context of multilateral institutions."
See the full text:
Report of the Special Rapporteur on the rights to freedom of peaceful assembly and of association (September 2014, pdf)
And see:
UN must not exclude civil society from UNCAC meetings (UNCA Civil Society Coalition , link)