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Final rule.

The Great Lakes St. Lawrence Seaway Development Corporation (GLS) and the St. Lawrence Seaway Management Corporation (SLSMC) of Canada, under international agreement, jointly publish and presently administer the St. Lawrence Seaway Tariff of Tolls in their respective jurisdictions. The Tariff sets forth the level of tolls assessed on all commodities and vessels transiting the facilities operated by the GLS and the SLSMC. The GLS is revising its regulations to reflect the fees and charges levied by the SLSMC in Canada starting in the 2025 navigation season, which are effective only in Canada.

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