EU trade · September 2026
CBAM changes an importer’s cost—and an exporter’s conversation
The distinction between the legal duty and the information needed to meet it matters for both parties.
What changed
The EU Carbon Border Adjustment Mechanism entered its definitive phase on 1 January 2026. It covers selected goods in cement, iron and steel, aluminium, fertilisers, electricity and hydrogen. For covered transactions, EU importers face authorisation, declaration and certificate obligations, subject to applicable exemptions. An overseas producer is generally not the party making the EU declaration, yet its production information can be essential to the importer’s response.
The commercial question
An importer considering two supply arrangements needs to understand the likely carbon-cost exposure and the reliability of the underlying information. A producer needs to know what a European customer will ask for, when it will need it, and how information and responsibilities are addressed in the commercial relationship. This is a pricing and supply question as well as a regulatory one.
Where judgment is needed
A high-level statement that CBAM applies to a sector does not establish whether a particular product and transaction are covered. Nor does a generic emissions estimate settle the question of evidence quality. The useful starting point is the actual goods, route to market, parties and data that exist today. From there, management can decide whether to improve evidence, revisit a contract or examine production choices.
Our view
The greatest avoidable cost may be making commitments before the exposure and evidence responsibilities are clear. A focused review gives commercial teams a common basis for the next supplier or customer conversation.