A/RES/52/160 Page 3 8. Also requests the Secretary-General to invite to the Conference representatives of organizations and other entities that have received a standing invitation from the General Assembly pursuant to its relevant resolutions3 to participate, in the capacity of observers, in its sessions and work, on the understanding that such representatives would participate in the Conference in that capacity, and to invite, as observers to the Conference, representatives of interested regional intergovernmental organizations and other interested international bodies, including the international tribunals for the former Yugoslavia and for Rwanda; 9. Further requests the Secretary-General to invite non-governmental organizations, accredited by the Preparatory Committee with due regard to the provisions of part VII of Economic and Social Council resolution 1996/31 of 25 July 1996, and in particular to the relevance of their activities to the work of the Conference, to participate in the Conference, along the lines followed in the Preparatory Committee, on the understanding that participation means attending meetings of its plenary and, unless otherwise decided by the Conference in specific situations, formal meetings of its subsidiary bodies except the drafting group, receiving copies of the official documents, making available their materials to delegates and addressing, through a limited number of their representatives, its opening and/or closing sessions, as appropriate, in accordance with the rules of procedure to be adopted by the Conference; 10. Decides to include in the provisional agenda of its fifty-third session the item entitled "Establishment of an international criminal court". 72nd plenary meeting 15 December 1997 3 Resolutions 253 (III), 477 (V), 2011 (XX), 3208 (XXIX), 3237 (XXIX), 3369 (XXX), 31/3, 33/18, 35/2, 35/3, 36/4, 42/10, 43/6, 44/6, 45/6, 46/8, 47/4, 48/2, 48/3, 48/4, 48/5, 48/237, 48/265, 49/1, 49/2, 50/2, 51/1, 51/6, 51/204 and 52/6.