23.1 The implementation of the work programme under this section is under the responsibility of the United Nations High Commissioner for Human Rights , who performs his or her functions under the direction and authority of the Secretary-General , in accordance with General Assembly resolution 48/141 of 20 December 1993 . The Office of the United Nations High Commissioner for Human Rights ( OHCHR ) acts as the focal point for and provides the leading role on all human rights activities of the United Nations .