Arrangement between the United States and Canada for reciprocal recognition of load line regulations for vessels engaged in international voyages on the Great Lakes, effected by exchange of notes

[For texts of notes, signed April 29, August 24, October 22, 1938; September 2, October 18, 1939; and January 10 and March 4, 1940, see Department of State Executive Agreement Series No. 172, or 54 Stat. 2300.]