122.503—Voyage plan.
(2)
A vessel making a voyage of more than 300 miles on the Great Lakes, except from a Canadian to a United States port;
(4)
A vessel arriving from a foreign port, except at a United States Great Lakes port from a Canadian Great Lakes port.
(b)
The voyage plan required by paragraph (a) of this section must be prepared prior to departing on a voyage and communicated verbally or in writing, ashore at the vessel's normal berthing location or with a representative of the owner or managing operator of the vessel. The voyage plan shall be available to the Coast Guard upon request.