Skip to content

Brought to you by

Dentons logo in black and white

Dentons Canada Regulatory Review

The latest information and developments on regulatory law across Canada.

open menu close menu

Dentons Canada Regulatory Review

  • Home
  • About Us
  • Dentons COVID-19 hub

Lost focus: Supreme Court finds Impact Assessment Act unconstitutional

By Dan Collins, Laura Estep, and Bernie (Bernard) J. Roth, KC
October 18, 2023
  • Energy
  • Environmental
  • ESG
  • Regulatory
Share on Facebook Share on Twitter Share via email Share on LinkedIn

On October 13, 2023, the Supreme Court of Canada released its highly-anticipated judgment on constitutional challenges to the federal Impact Assessment Act (IAA) raised by the Province of Alberta. In a 5-2 split decision, a majority of the Court concluded that, while the federal government is permitted to create a federal impact assessment regime, the current “designated projects” scheme created by the IAA is beyond the legislative authority of the federal government and therefore unconstitutional. A small portion of the IAA concerning projects carried or financed by federal authorities was not challenged by Alberta and was upheld by the Court as being within Parliament’s legislative authority. The decision follows a May 2022 ruling by the Alberta Court of Appeal which also held that the IAA was beyond Parliament’s legislative authority.

Read the complete article here.

Share on Facebook Share on Twitter Share via email Share on LinkedIn
Subscribe and stay updated
Receive our latest blog posts by email.
Stay in Touch
Dan Collins

About Dan Collins

Dan joined Dentons in 2013 as a summer student and now practices as an associate in Dentons’ Energy Regulation group in Calgary. Dan is developing a practice in the areas of energy regulation, environmental, and aboriginal law.

All posts Full bio

Laura Estep

About Laura Estep

Laura is a member of Dentons' Energy Regulatory practice group in Calgary and is also a member of the Dentons Canada Board. She has significant experience in assisting major energy companies through all stages of the regulatory process including representation before the Canadian Energy Regulator, the Alberta Utilities Commission, and the Alberta Energy Regulator.

All posts Full bio

Bernie (Bernard) J. Roth, KC

About Bernie (Bernard) J. Roth, KC

Bernard practices in the Firm’s Energy Regulation practice group in Calgary. His experience in this area has focused on administrative law.

All posts Full bio

RELATED POSTS

  • Health
  • Regulatory

Navigating the Canadian telemedicine landscape: Responsibilities and challenges for practitioners and providers

By Rose Carter | September 11, 2023
  • Marketing/Advertising
  • Regulatory

Alberta election season is coming: What third party advertisers need to know for January 1, 2023 

By Laurie Livingstone and Tina Shaygan | December 15, 2022
  • Government Affairs
  • International Trade
  • Regulatory

Canadian Regulatory Trends to Watch in 2020 – Public Affairs

By James Moore | March 10, 2020

About Dentons

Redefining possibilities. Together, everywhere. For more information visit dentons.com

Grow, Protect, Operate, Finance. Dentons, the law firm of the future is here. Copyright 2023 Dentons. Dentons is a global legal practice providing client services worldwide through its member firms and affiliates. Please see dentons.com for Legal notices.

Check out more at Dentons.com

Disclosure in mining

Canada: This first article examines how the Bre-X scandal led to the creation of NI 43-101, which now governs disclosure standards for the Canadian mining industry. NI 43-101 aims to protect [...]

Ontario's Data Centre Playbook: New rules for a new era of electricity demand

Data centres are the physical infrastructure behind the digital economy: every email, online transaction and artificial intelligence (AI) query depends on a warehouse-scale facility requiring a continuous, high-volume supply of [...]

CSA 2025–2026 Year in Review: What market participants need to know

The Canadian Securities Administrators (CSA) has released its Year in Review for the period July 1, 2025 to June 30, 2026, summarizing progress under its 2025-2028 Business Plan. [...]

Categories

Dentons logo in black and white

© 2026 Dentons

  • Legal notices
  • Privacy policy
  • Terms of use
  • Cookies on this site