Requests that every thirty days the Secretary-General submit to the Security Council for its review a report as to whether the Co-Chairmen of the ICFY Steering Committee certify that the authorities of the Federal Republic of Yugoslavia (Serbia and Montenegro) are effectively implementing their decision to close the international border between the Federal Republic of Yugoslavia (Serbia and Montenegro) and the Republic of Bosnia and Herzegovina with respect to all goods except foodstuffs, medical supplies and clothing for essential humanitarian needs, and are complying with the requirements of paragraph 3 above in respect of all shipments across the international border between the Federal Republic of Yugoslavia (Serbia and Montenegro) and the Republic of Bosnia and Herzegovina, and further requests the Secretary-General to report to the Council immediately if he has evidence, including from the Co-Chairmen of the ICFY Steering Committee, that those authorities are not effectively implementing their decision to close that border;