Home1998 Treaties and Agreements ...Multilateral (98-621) – Convention on the Marking of Plastic Explosives for the Purpose of Detection hide Multilateral (98-621) – Convention on the Marking of Plastic Explosives for the Purpose of Detection TIAS Office of Treaty Affairs June 21, 1998 Transportation: Marking of Plastic Explosives for the Purpose of Detection Convention, with annex, signed at Montreal March 1, 1991; Transmitted by the President of the United States of America to the Senate June 29, 1993 (Treaty Doc. 103-8, 103d Congress, 1st Session); Reported favorably by the Senate Committee on Foreign Relations 62November 18, 1993 (Senate Executive Report No. 103-15, 103d Congress, 1st Session); Advice and consent to ratification by the Senate November 20, 1993; Ratified by the President February 15, 1994; Instrument of Ratification of the United States of America deposited April 9, 1997; entered into force June 21, 1998. Download attachment [3 MB] Tags Multilateral Transportation Treaties