Will the High Court's proposed climate risk disclosure rules survive Supreme Court scrutiny?

The Proposed Framework

The framework under discussion would draw on international reporting standards, adapted to reflect sectors most exposed to transition and physical climate risk locally, including agriculture, energy, and real estate. Directors would be expected to disclose material climate-related risks in the same board reports used for existing corporate governance and capital markets compliance, rather than in a separate voluntary sustainability report.

That single design choice, folding climate disclosure into statutory reporting rather than leaving it voluntary, is what raises the constitutional and administrative law questions boards should now be tracking.

Grounds for Constitutional and Administrative Challenge

Any regulator seeking to impose a new statutory disclosure burden must be able to point to clear rule-making authority, a proper public participation process, and a proportionate compliance burden. Where any of those three elements is contested, an aggrieved corporate can seek judicial review before the High Court, and depending on the outcome, an appeal that ultimately tests the framework's constitutionality before the Supreme Court.

In our assessment, the more likely challenge is not to the underlying policy objective, which enjoys broad institutional support, but to the adequacy of the consultation process and the reasonableness of the compliance timeline given the technical capacity required to produce audit-ready climate disclosures.

What This Means for Boards Today

Waiting for final certainty before acting is the wrong strategy. Boards that begin building climate-risk reporting capability now, even on a voluntary basis, will be better positioned regardless of how the litigation unfolds, and will avoid a compressed compliance sprint if the rules are upheld on an accelerated timeline.