Prepared in conformity with General Assembly resolution 72/118; outlines the progress made by the Secretariat since the last report (A/72/184). Annexes (p. 9-12): 1. Secretariat units bearing primary responsibility for the preparation of Repertory studies on individual Articles of the Charter of the UN -- 2. Status of the Repertory of Practice of United Nations Organs (July 2018) -- 3. Status of the Repertoire of the Practice of the Security Council (July 2018).