The following committees of experts carry out the functions delineated in the treaty and , where relevant , its optional protocols : ( a ) The Committee on the Elimination of Racial Discrimination ( CERD ) , established under the International Convention on the Elimination of All Forms of Racial Discrimination ; ( b ) The Human Rights Committee ( HRCtee ) , established under the International Covenant on Civil and Political Rights and invested with functions by the Covenant and its two Optional Protocols ; ( c ) The Committee on Economic , Social and Cultural Rights ( CESCR ) , mandated by the Economic and Social Council to oversee the implementation of the International Covenant on Economic , Social and Cultural Rights and invested with functions by its Optional Protocol ;