The High Commissioner referred to the progress achieved with regard to harmonization of treaty body working methods , including with regard to the revised harmonized reporting guidelines and the adoption of a common approach to reservations , as well as efforts to harmonize other areas . She was pleased that the eighth treaty body monitoring a core treaty , the Committee on the Rights of Persons with Disabilities ( CRPD ) , would soon begin its work and that the General Assembly 's Third Committee had recently adopted the Optional Protocol to the International Covenant on Economic , Social and Cultural Rights by consensus .