A/RES/55/149 9. Calls upon States that have not yet done so to consider becoming parties to the instruments relevant to the protection, security and safety of diplomatic and consular missions and representatives; 10. Also calls upon States, in cases where a dispute arises in connection with a violation of their international obligations concerning the protection of the missions or the security of the representatives and officials mentioned in paragraph 2 above, to make use of the means for peaceful settlement of disputes, including the good offices of the Secretary-General, and requests the SecretaryGeneral, when he deems it appropriate, to offer his good offices to the States directly concerned; 11. Requests all States to report to the Secretary-General in accordance with paragraph 9 of resolution 42/154 of 7 December 1987; 12. Requests the Secretary-General to issue a report on the item, in accordance with paragraph 12 of resolution 42/154, containing also an analytical summary of the reports received under paragraph 11 above, on an annual basis, as well as to proceed with his other tasks pursuant to the same resolution; 13. Decides to include in the provisional agenda of its fifty-seventh session the item entitled “Consideration of effective measures to enhance the protection, security and safety of diplomatic and consular missions and representatives”. 84th plenary meeting 12 December 2000 3