CBAM penalties expose authorized declarants to a fixed €100 per tonne CO₂e for every certificate not surrendered by the September 30 declaration deadline, and unauthorized importers to €300–500 per tonne CO₂e under Article 26 of Regulation (EU) 2023/956 as amended by 2025/2083. Understanding how each penalty tier is triggered is the first step in protecting your import operation from compounding financial liability.
The EU carbon border adjustment mechanism entered its definitive phase on January 1, 2026, meaning both penalty tiers are now active and enforceable. This guide covers what triggers each tier, why paying the fine does not cancel the certificate obligation, and the 6 actions that eliminate the risk of both.
Caption: CBAM penalties apply at two rates: €100/tCO₂e for authorized declarants who fail to surrender sufficient certificates, and €300–500/tCO₂e for importers who operate without authorization.
What Are the CBAM Penalties for Importers?
The CBAM penalty framework establishes two distinct financial sanctions: €100 per tonne CO₂e for authorized declarants who fail to surrender sufficient certificates, and €300–500 per tonne CO₂e for any person who imports CBAM goods without holding authorized declarant status. Both rates are set in Article 26 of Regulation (EU) 2023/956, as amended by Regulation (EU) 2025/2083.
The two-tier structure reflects a deliberate regulatory logic. The €100 rate is calibrated to match the EU ETS excess emissions penalty, ensuring that importing without sufficient certificate coverage carries the same financial consequence as an EU-based industrial operator emitting above its ETS cap. The €300–500 rate multiplies this by 3 to 5 times, penalizing the more serious violation of bypassing the authorization system entirely.
The penalty values apply per tonne of CO₂e not covered by certificate surrender. An authorized declarant importing 10,000 tonnes of blast furnace steel (emission factor approximately 2.0 tCO₂/t) who surrenders zero certificates faces a potential liability of 20,000 tCO₂e multiplied by €100, totaling €2,000,000 in CBAM penalties alone, before the certificate obligation is calculated separately.
The Two CBAM Penalty Tiers: A Comparison
The 2 penalty tiers for importers are defined below, including the triggering condition, rate, legal basis, and total cost of non-compliance when the certificate obligation is added.
| Penalty Tier | Who It Applies To | Rate | Legal Basis | Total Cost of Non-Compliance |
|---|---|---|---|---|
| Tier 1: Insufficient certificate surrender | Authorized declarants | €100/tCO₂e not covered | Article 26(1), Reg. (EU) 2023/956 as amended | €100 penalty + ~€70 certificate purchase = ~€170/tCO₂e minimum |
| Tier 2: Importing without authorization | Any importer without authorized declarant status | €300–500/tCO₂e | Article 26(2), Reg. (EU) 2023/956 as amended | €300–500 penalty + certificate obligation still applies |
| Historical (transitional period) | Importers who failed to report Oct 2023–Dec 2025 | €10–50/tCO₂e unreported | Article 35, IR 2023/1773 | Enforcement varies by member state |
The critical feature of both penalty tiers is that paying the fine does NOT cancel the obligation to surrender certificates. The national competent authority (NCA) collects the penalty AND requires the authorized declarant to procure and surrender the outstanding certificates. The total cost of under-surrendering is therefore the penalty plus the current certificate price, not the penalty instead of the certificate purchase.
How the €100 Penalty Is Triggered for Authorized Declarants
The €100/tCO₂e CBAM penalty for authorized declarants is triggered by a single condition: surrendering fewer CBAM certificates than the verified embedded emissions recorded in the annual CBAM declaration.
The surrender deadline is September 30 each year. The first declaration, covering calendar year 2026 imports, is due September 30, 2027. At that point, the authorized declarant must surrender certificates equal to the total verified embedded emissions of all CBAM goods imported during the preceding calendar year, adjusted for any Article 9 carbon price deductions and the applicable free allocation factor.
Three scenarios commonly produce a surrender shortfall, each triggering the CBAM penalty automatically upon NCA review of the submitted declaration.
The first scenario is miscalculated embedded emissions. An authorized declarant who uses supplier-provided data that is later revised upward by the accredited verifier ends up with a higher verified figure than anticipated, leaving a gap between certificates held and certificates required.
The second scenario is quarterly holding failures. Although the penalty for missing the quarterly 50% holding threshold is distinct from the annual surrender penalty, a declarant who consistently under-holds throughout the year is likely to be under-surrendered at year-end, triggering the €100 rate.
The third scenario is certificate purchase delays. CBAM certificate sales begin February 1, 2027 for the first cycle. A declarant who procrastinates purchasing runs the risk of price increases before September 30 and, in a worst-case scenario, being unable to acquire sufficient certificates before the surrender deadline, triggering the penalty automatically.
How the €300–500 Penalty Is Triggered for Unauthorized Importers
The €300–500/tCO₂e CBAM penalty applies to any person who imports goods listed in Annex I of Regulation (EU) 2023/956 into the EU customs territory without holding authorized CBAM declarant status.
From January 1, 2026, EU customs authorities validate CBAM authorization in real time before releasing Annex I goods for free circulation. An importer without an active authorization in the CBAM Registry is blocked at the border. If goods are nevertheless released through procedural errors or misclassification, the NCA can assess the €300–500 penalty retroactively once the unauthorized import is detected.
The penalty rate range of €300–500 per tonne CO₂e gives NCAs discretion to set the specific multiplier. The minimum of €300/tCO₂e (three times the standard rate) applies in straightforward cases of administrative non-compliance. The maximum of €500/tCO₂e (five times the standard rate) applies in cases involving deliberate circumvention, repeated violations, or fraudulent misrepresentation.
Authorization applications were due by March 31, 2026 to benefit from the provisional importing provision. Importers who missed this deadline and continued importing CBAM goods are exposed to the Tier 2 penalty for every tonne CO₂e of embedded emissions in goods imported without authorization after January 1, 2026.
Caption: The NCA penalty assessment pathway starts at customs authorization validation and ends at certificate surrender reconciliation on September 30 each year.
Why the Fine Does Not Cancel the Certificate Obligation
Paying the €100 CBAM penalty does not release the certificate surrender obligation. This is the most operationally significant feature of the CBAM penalty structure and one that importers frequently underestimate when assessing worst-case compliance costs.
Article 26 of Regulation (EU) 2023/956 establishes the penalty as an additional consequence, not a substitute for compliance. The NCA will issue a penalty notice and simultaneously require the authorized declarant to procure and surrender the outstanding certificates within a specified remediation period.
The total cost of under-surrendering 1,000 tCO₂e illustrates this clearly. At the €100 penalty rate, the fine is €100,000. At the current EU ETS-linked certificate price of approximately €70/tCO₂ (late March 2026; this figure fluctuates daily with EU ETS market conditions), procuring and surrendering the outstanding 1,000 certificates costs an additional €70,000. The combined liability is €170,000 for a shortfall of 1,000 tCO₂e, not €100,000. This dual obligation makes certificate management precision significantly more valuable than the headline penalty figure suggests.
The same additive logic applies to Tier 2 penalties. An unauthorized importer who is assessed a €400/tCO₂e penalty (mid-range) still faces the certificate obligation on top of it.
How to Avoid CBAM Penalties: The Compliance Checklist
Avoiding both penalty tiers requires completing 6 compliance actions before the relevant deadlines. The actions below are ordered by deadline priority.
The 6 actions that prevent CBAM penalties for importers are listed below.
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Obtain authorized CBAM declarant status. Applications are submitted via the Authorization Management Module (AMM) at cbam.ec.europa.eu. The authorization application deadline for provisional importing was March 31, 2026. Importers without authorization face the Tier 2 penalty on all CBAM goods imported from January 1, 2026.
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Classify all CBAM-affected import flows by CN code. For every shipment of goods in Annex I of Regulation (EU) 2023/956, record the CN code, net mass in tonnes, country of origin per EU customs rules, and the production installation identifier. This data feeds the annual declaration and determines the total embedded emissions to be surrendered.
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Obtain verified embedded emissions data from producers. All embedded emissions values submitted in a CBAM declaration must be verified by an accredited verifier registered in the CBAM Registry (registration opens September 1, 2026). Importers who cannot obtain actual values must use default values from Implementing Regulation (EU) 2025/2621. Default values carry a 10% mark-up in 2026, rising to 20% in 2027 and 30% from 2028.
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Purchase CBAM certificates before the quarterly holding threshold applies. From the first full declaration year onward, authorized declarants must hold at least 50% of cumulative embedded emissions at each quarter-end. Certificate sales begin February 1, 2027. Under-holding at a quarter-end triggers a separate NCA notice, and persistent under-holding throughout the year is a reliable indicator of an under-surrender position at year-end.
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Submit the annual CBAM declaration by September 30. The first declaration deadline is September 30, 2027 (covering calendar year 2026 imports). The declaration must include total imported quantities, verified embedded emissions by goods type and country of origin, the certificate surrender instruction, and any Article 9 deductions for carbon prices paid in the country of production.
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Retain all compliance records for 4 years after the declaration year. Article 6(6) of Regulation (EU) 2023/956 as amended requires retention until the end of the 4th year following the declaration year. NCAs conduct risk-based inspections and can request any retained document without advance notice.
How CBAM Penalties Interact with CBAM Compliance Obligations
CBAM penalties exist within a broader CBAM compliance for importers framework that begins at authorization and extends through record-keeping. Understanding where the penalty risk sits within this chain helps importers allocate compliance resources accurately.
The penalty exposure in 2026 is numerically small for most importers because only 2.5% of embedded emissions require certificate coverage in the first year (the CBAM factor, reflecting the 97.5% of EU ETS free allocation still in place). A BF-BOF steel importer bringing in 5,000 tonnes (approximately 10,000 tCO₂ embedded) faces a net certificate obligation of 250 certificates at approximately €70 each, totaling approximately €17,500. The €100 penalty on any shortfall is therefore proportionally significant relative to the small net obligation in 2026.
From 2028 onward, as free allocation phases down steeply (reaching 51.5% remaining by 2030), the gross certificate obligation grows substantially. An importer still managing CBAM manually with ad hoc processes in 2028 faces both a larger absolute penalty exposure and a more complex calculation base than in 2026. Building robust compliance processes now, while the net cost is low, eliminates this scaling risk.
Contextual Border: What Happens When CBAM Penalties Are Assessed
The NCA penalty assessment process begins when the annual CBAM declaration reconciliation reveals a certificate surrender shortfall, or when customs data identifies an unauthorized import event.
How NCAs Enforce CBAM Penalties
NCAs hold enforcement authority under Article 15 of Regulation (EU) 2023/956. Upon detecting a shortfall, the NCA issues a penalty notice specifying the tCO₂e shortfall, the applicable penalty rate, the total fine amount, and the deadline for procuring and surrendering outstanding certificates. The NCA also has authority to suspend or revoke authorized declarant status in cases of persistent non-compliance or deliberate misrepresentation.
Appeals against NCA penalty decisions follow the administrative law process of the member state in which the declarant is established. Final escalation to the Court of Justice of the European Union is available if the interpretation of Regulation (EU) 2023/956 itself is contested. No dedicated EU-level CBAM appeals tribunal exists.
Can CBAM Penalties Be Reduced or Waived?
Penalty reduction is not provided for in the regulation as a general rule. Regulation (EU) 2023/956 does not include a good-faith waiver, a force majeure clause, or a first-offense discount in the penalty structure. The €100 rate applies in full to each uncovered tonne CO₂e regardless of the reason for the shortfall.
NCAs retain some procedural discretion in determining whether a violation occurred and in the specific rate applied within the €300–500 range for Tier 2 violations. Importers who demonstrate a compliance program and remediate proactively may receive more favorable treatment on the authorization consequence (suspension versus revocation) than on the financial penalty itself.
Does the CBAM Penalty Apply Retroactively to 2026 Imports?
The €100 and €300–500 CBAM penalties apply to the definitive phase, which began January 1, 2026. Importers whose 2026 imports are ultimately under-surrendered or made without authorization face full penalty exposure on those imports when assessed in 2027. The first declaration deadline of September 30, 2027 is when the shortfall becomes formally calculable and the penalty becomes assessable.
Supplementary: CBAM Penalties vs EU ETS Excess Emissions Penalties
The €100/tCO₂e CBAM penalty for authorized declarants is deliberately calibrated to the EU ETS excess emissions penalty, which also sits at €100/tCO₂. This parity is an explicit design choice in the regulation, ensuring that importing under-covered goods does not offer a cost advantage over complying with the EU ETS internally.
EU-based industrial operators under the ETS who exceed their cap face the same €100 penalty per excess tonne, plus the obligation to surrender additional allowances the following year. The CBAM penalty mirrors this structure: the fine applies on top of, not instead of, the certificate surrender obligation.
Does Paying the ETS Penalty Cancel the CBAM Certificate Obligation?
No. The EU ETS and CBAM are separate compliance systems. A company with both ETS and CBAM obligations cannot offset the two. Excess EU ETS emissions penalties and CBAM certificate surrender shortfalls are each assessed independently by the relevant authority.
Supplementary: CBAM Penalties and the Authorized Declarant Requirement
Avoiding the higher Tier 2 CBAM penalty permanently requires maintaining authorized declarant status. Status can be revoked if the declarant no longer meets the authorization conditions set in Implementing Regulation (EU) 2025/486, including the 5-year customs and tax compliance history, no active insolvency proceedings, and ongoing compliance with CBAM reporting obligations.
An authorized CBAM declarant who has their status suspended or revoked while goods are in transit or customs clearance faces immediate Tier 2 penalty exposure on those goods. The authorization must remain active continuously throughout the import transaction.
Supplementary: Key CBAM Penalty Deadlines
The CBAM declaration and certificate surrender timeline determines when penalty exposure crystallizes. The dates below are the critical checkpoints.
- January 1, 2026: Definitive phase start; both penalty tiers become enforceable
- February 1, 2027: Certificate sales begin; purchasing can commence
- September 30, 2027: First annual CBAM declaration deadline; first certificate surrender; penalty assessment window opens for 2026 imports
- October 31, 2027: Certificate buyback deadline (up to 50% of certificates purchased in 2027)
- November 1, 2027: Unsurrendered and unreturned certificates from 2026 are cancelled
Building CBAM compliance around these dates prevents penalty exposure at each checkpoint. The CBAM compliance checklist maps each obligation to its specific deadline and the action required to meet it.
Frequently Asked Questions: CBAM Penalties for Importers
What is the CBAM penalty for failing to surrender enough certificates?
The CBAM penalty for authorized declarants who fail to surrender sufficient certificates is €100 per tonne CO₂e not covered, under Article 26(1) of Regulation (EU) 2023/956 as amended. Paying this penalty does not cancel the obligation to surrender the outstanding certificates; both the fine and the certificate purchase apply simultaneously.
What happens if I import CBAM goods without authorization?
Importing CBAM goods listed in Annex I of Regulation (EU) 2023/956 without authorized declarant status triggers a penalty of €300–500 per tonne CO₂e under Article 26(2). The exact rate within this range is determined by the national competent authority based on the severity and intent of the violation. The certificate surrender obligation also applies on top of the fine.
When is the first CBAM declaration deadline?
The first annual CBAM declaration deadline is September 30, 2027, covering calendar year 2026 imports. This is also when certificates must be surrendered and when the NCA can formally assess the €100 penalty on any shortfall in surrendered certificates for the 2026 import year.
Does paying the CBAM fine remove the certificate obligation?
No. The CBAM penalty is an additional sanction, not a substitute for certificate surrender. The national competent authority requires both payment of the €100/tCO₂e penalty and procurement and surrender of the outstanding certificates within the remediation deadline specified in the penalty notice.
Can CBAM penalties be appealed?
Yes. NCA penalty decisions can be appealed through the administrative law system of the member state in which the authorized declarant is established. The Court of Justice of the European Union is the final forum for disputes involving the interpretation of Regulation (EU) 2023/956 itself. No dedicated EU-level CBAM appeals tribunal exists as of April 2026.
Is there a CBAM penalty for the quarterly certificate holding requirement?
The quarterly holding requirement under Article 22(2) of Regulation (EU) 2023/956 as amended requires authorized declarants to hold at least 50% of cumulative embedded emissions at each quarter-end. Failure to meet this threshold results in a formal NCA notice. While the quarterly shortfall itself triggers a notice rather than an immediate penalty invoice, persistent failure to maintain the quarterly holding level is an enforcement signal and increases the risk of an annual surrender shortfall that does trigger the €100 penalty.