CBAM Timeline & Key Dates
The key CBAM phases and dates you need to plan around.
CBAM Timeline & Key Dates
CBAM has a transitional phase running to the end of 2025, during which reporting is required quarterly but no certificates are bought, followed by the definitive phase from 2026 that adds certificate obligations. Knowing the timeline helps you sequence your work. Social Lab maps the dates to your actions.
Your end-to-end CBAM compliance partner
Collection and calculation of CBAM emissions data, and preparation of quarterly and annual CBAM reports in line with EU requirements.
Assessment of CBAM costs based on embedded emissions and EU carbon prices, and identification of emission reduction opportunities to minimize future carbon costs.
Preparation of documentation required for CBAM verification, and coordination and support during third-party verification and annual compliance.
Your deliverables
CBAM Timeline & Key Dates — questions we get
When does the transitional phase end?
It runs to the end of 2025, with the definitive phase beginning in 2026.
How often is reporting during the transitional phase?
Quarterly, covering the covered goods imported in each quarter.
What changes in 2026?
The definitive phase adds the purchase and surrender of CBAM certificates by declarants.
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