Seaway Regulations and Rules: Periodic Update, Various Categories

What it does

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 Regulations and Rules (Practices and Procedures in Canada) in their respective jurisdictions. Under agreement with SLSMC, GLS is amending the joint regulations by updating the regulations and rules in various categories. These changes are to clarify existing requirements in the regulations.

The Great Lakes St. Lawrence Seaway Development Corporation's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 33 of the Code of Federal Regulations:

33 CFR 401

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Great Lakes St. Lawrence Seaway Development Corporation has published 2 final rules in 2026 so far, compared with 2 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

Before this

No earlier Federal Register document under regulation identifier 2135-AA59 since Jan. 1, 2025.

What happens next and when

This rule is effective on March 17, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Title 33 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register