Decides, for a further period ending on 31 Dec. 2008, that all States shall take the necessary measures to prevent the direct or indirect supply, sale or transfer, from their territories or by their nationals, or using their flag vessels or aircraft, of arms and any related materiel, and the provision of any assistance, advice or training related to military activities, including financing and financial assistance, to all non-governmental entities and individuals operating in the territory of the Democratic Republic of the Congo; decides that all States shall notify in advance to the Committee any shipment of arms and related material for the Democratic Republic of the Congo, or any provision of assistance, advice or training related to military activities in the Democratic Republic of the Congo; decides that all States shall immediately freeze the funds, other financial assets and economic resources which are on their territories, which are owned or controlled, directly or indirectly, by persons or entities designated by the Committee; requests the Secretary-General to extend, for a period expiring on 31 Dec. 2008, the Group of Experts established pursuant to resolution 1771; requests MONUC and the Group of Experts to continue to focus their monitoring activities in North and South Kivu and in Ituri.