CBAM deadlines and what to do now
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What to do now
Goods you ship in 2026 already count. Work out the CBAM cost of each product, collect your 2026 fuel and electricity records, and talk to an accredited verifier now: buyers will want verified figures well before September 2027.
Works with Google Calendar, Outlook and Apple Calendar. Includes only future dates, each with a reminder 14 days before.
Next dates
1 January 2027 · in 87 days
Mark-up on default values rises to 20%
1 February 2027 · in 118 days
CBAM certificates go on sale
30 June 2027 · in 267 days
Suggested: send buyers verified figures for 2026Suggested
All dates
2026
1 January 2026 · Past
CBAM definitive period starts
EU importers pay CBAM on goods imported from this date. Default values carry a 10% mark-up and importers deduct 97.5% of the EU benchmark.
2027
1 January 2027
Mark-up on default values rises to 20%
For goods imported from 2027, default values carry a 20% mark-up and importers deduct 95% of the EU benchmark, so the cost per tonne goes up.
1 February 2027
CBAM certificates go on sale
Authorised declarants can start buying certificates. Certificates for 2026 imports are priced at the quarterly average of EU ETS auction prices.
30 June 2027
Suggested: send buyers verified figures for 2026Suggested
Not a legal deadline. Buyers file in September, so send verified emissions for goods shipped in 2026 by the end of June, in time to replace the default values.
30 September 2027
CBAM declaration for 2026 imports due
Importers file the annual declaration for goods imported in 2026 and surrender the certificates. Suppliers' verified figures must be in by then.
2028
1 January 2028
Mark-up on default values rises to 30%
For goods imported from 2028, default values carry a 30% mark-up and importers deduct 90% of the EU benchmark, so the cost per tonne goes up.
1 January 2028
Proposed: CBAM extends to downstream productsProposal
The Commission has proposed adding many products made mostly of steel or aluminium, such as fasteners, machine parts and appliances, from 1 January 2028. Parliament and Council can still change the list.
30 June 2028
Suggested: send buyers verified figures for 2027Suggested
Not a legal deadline. Buyers file in September, so send verified emissions for goods shipped in 2027 by the end of June, in time to replace the default values.
30 September 2028
CBAM declaration for 2027 imports due
Importers file the annual declaration for goods imported in 2027 and surrender the certificates. Suppliers' verified figures must be in by then.
2029
1 January 2029
Free-allocation deduction falls to 77.5%
For goods imported from 2029, importers deduct only 77.5% of the EU benchmark, so the cost per tonne rises again.
30 June 2029
Suggested: send buyers verified figures for 2028Suggested
Not a legal deadline. Buyers file in September, so send verified emissions for goods shipped in 2028 by the end of June, in time to replace the default values.
30 September 2029
CBAM declaration for 2028 imports due
Importers file the annual declaration for goods imported in 2028 and surrender the certificates. Suppliers' verified figures must be in by then.
2030
1 January 2030
Free-allocation deduction falls to 51.5%
For goods imported from 2030, importers deduct only 51.5% of the EU benchmark, so the cost per tonne rises again.
30 June 2030
Suggested: send buyers verified figures for 2029Suggested
Not a legal deadline. Buyers file in September, so send verified emissions for goods shipped in 2029 by the end of June, in time to replace the default values.
30 September 2030
CBAM declaration for 2029 imports due
Importers file the annual declaration for goods imported in 2029 and surrender the certificates. Suppliers' verified figures must be in by then.
2031
1 January 2031
Free-allocation deduction falls to 39%
For goods imported from 2031, importers deduct only 39% of the EU benchmark, so the cost per tonne rises again.
30 September 2031
CBAM declaration for 2030 imports due
Importers file the annual declaration for goods imported in 2030 and surrender the certificates. Suppliers' verified figures must be in by then.
2032
1 January 2032
Free-allocation deduction falls to 26.5%
For goods imported from 2032, importers deduct only 26.5% of the EU benchmark, so the cost per tonne rises again.
30 September 2032
CBAM declaration for 2031 imports due
Importers file the annual declaration for goods imported in 2031 and surrender the certificates. Suppliers' verified figures must be in by then.
2033
1 January 2033
Free-allocation deduction falls to 14%
For goods imported from 2033, importers deduct only 14% of the EU benchmark, so the cost per tonne rises again.
30 September 2033
CBAM declaration for 2032 imports due
Importers file the annual declaration for goods imported in 2032 and surrender the certificates. Suppliers' verified figures must be in by then.
2034
1 January 2034
Free allocation ends
From 2034 importers can no longer deduct any free allocation, so CBAM is paid on all embedded emissions.
30 September 2034
CBAM declaration for 2033 imports due
Importers file the annual declaration for goods imported in 2033 and surrender the certificates. Suppliers' verified figures must be in by then.
Related
Dates: Regulation (EU) 2023/956 as amended by Regulation (EU) 2025/2083. 2028 extension: Commission proposal COM(2025) 989, not yet law. Dates marked "Suggested" are our advice, not legal deadlines. Not legal advice; see the disclaimer.