Decides that all States shall, for the purposes of fostering peace and stability in Kosovo, prevent the sale or supply to Yugoslavia, including Kosovo, of arms and related material of all types and shall prevent arming and training for terrorist activities there. Also decides to establish a committee of the Security Council to seek information from all States regarding the action taken by them concerning the effective implementation of the prohibitions imposed by this resolution and to report on its work to the Council. Decides to review the situation on the basis of the reports of the Secretary-General, which will take into account the assessments of, inter alia, the Contact Group, OSCE and the European Union.