Demands that all parties, groups and individuals immediately cease hostilities and maintain a ceasefire in Kosovo. Demands further that the Federal Republic of Yugoslavia, in addition to the measures called for under resolution 1160 (1998), implement immediately the measures towards achieving a political solution to the situation in Kosovo as contained in the Contact Group statement of 12 June 1998. Requests the Secretary-General to provide regular reports to the Council as necessary on his assessment of compliance with this resolution.