Treaties and other international acts series. 6285. Intergovernmental Maritime Consultative Organisation (IMCO), amendments to art. 17 and 18 of convention of Mar. 7, 1948, between United States and other governments, adopted by IMCO assembly at London Sept. 15, 1964, [proclaimed by President of United States May 10, 1967; entered Into force Oct. 6, 1967].