A Registered Pilot's assignment is completed when the vessel to which he is assigned completes its arrival at or, in the case of a through trip, passes any of the following places:

(a) Snell Lock;

(b) The Saint Lawrence River between Iroquois Lock and the area of Ogdensburg, NY, beginning October 2, 2017;

(c) Cape Vincent;

(d) Port Weller;

(e) Port Colborne;

(f) Detroit/Windsor, other than assignments originating or terminating at a point on the Detroit River;

(g) Port Huron/Sarnia;

(h) Detour;

(i) Gros Cap;

(j) Chicago with respect to assignments originating at Detour or Port Huron/Sarnia; and

(k) Duluth/Superior and Fort William/Port Arthur with respect to assignments originating at Gros Cap.

[CGFR 68-57, 33 FR 6479, Apr. 27, 1968. Redesignated at 61 FR 32655, June 25, 1996, and further redesignated by USCG-1998-3976, 63 FR 35139, June 29, 1998; USCG-2008-0906, 73 FR 56511, Sept. 29, 2008; USCG-2016-0268, 82 FR 41495, Aug. 31, 2017; 82 FR 43864, Sept. 20, 2017]