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

1. (a) Snell Lock;
2. (b) Iroquois Lock, Ogdensburg, NY;
3. (c) Cape Vincent;
4. (d) Port Weller;
5. (e) Port Colborne;
6. (f) Detroit/Windsor, other than assignments originating or terminating at a point on the Detroit River;
7. (g) Port Huron/Sarnia;
8. (h) Detour;
9. (i) Buoy 33, St. Marys River, Point Iroquois;
10. (j) Chicago with respect to assignments originating at Detour or Port Huron/Sarnia; and
11. (k) Duluth/Superior and Fort William/Port Arthur with respect to assignments originating at Buoy 33.

[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; USCG-2022-0025, 89 FR 76352, Sept. 17, 2024]