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Federal regulationCanada Gazette, Part IComment Period Closed

GI-2025-44-reg2: Regulations Amending the Aquatic Invasive Species Regulations

Sponsoring body: Fisheries and Oceans, Dept. ofIntroduced November 1, 2025Checked September 3, 2026
Read the official text on gazette.gc.caOfficial version — Canada Gazette, Part I

What this regulation does

These amendments fix three gaps in the Aquatic Invasive Species Regulations: they explicitly authorize the use of companion substances (like deactivating agents) alongside pesticides used to control invasive species, make it an offence to violate conditions on authorizations, and allow regulators to amend, suspend, or cancel previously issued authorizations.

Plain-language summary by Legisail — not legal advice.

Business impact

Compliance
The primary people affected are those who apply for authorizations to use pesticides to control aquatic invasive species — mostly municipal governments, conservation groups, Indigenous communities, and professional pesticide applicators. The amendments impose no new requirements or costs on applicants; they simply provide legal clarity for practices already underway, like using potassium permanganate to neutralize rotenone in treated waterways. If anything, the new ability for regulators to amend rather than cancel-and-reissue authorizations could save proponents time and paperwork when project details change. The small business lens analysis confirmed no impact on Canadian small businesses, as most applicants are non-profits or governments.

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Where this regulation is

Proposed
Comment period closed
Final publicationPending

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At a glance

Gazette reference
GI-2025-44-reg2
Comment deadline
December 1, 2025
Jurisdiction
Federal
Official record