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has international shipping as its principal business in the year, or
has international shipping as its principal business in the year, or
has as its principal business in the year the operation of ships that are used primarily in transporting passengers or goods in international traffic (determined on the assumption that the corporation is non-resident and that, except where paragraph (c) of the definition international traffic in subsection 248(1) applies, any port or other place on the Great Lakes or St. Lawrence River is in Canada), or