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CBAM supplier communication: how to request emissions data from third-country suppliers

Using actual emissions data from your third-country suppliers eliminates the default value mark-up and typically reduces your CBAM cost. But many importers struggle with how to ask. CBAMCheck generates a professional supplier letter in English as one of its 12 deliverables. The letter explains what CBAM is, what data is needed (installation-specific emissions per tonne), and how to share it — through the Art. 10(7) operator registration in the CBAM Registry or directly. The tone is collaborative and professional, not confrontational or threatening.

Generate your CBAM dossier — €299Free check: does CBAM affect you?

€299 · One-time · 12 professional deliverables · Your data never leaves your browser

Built on Reg. (EU) 2023/956 · Modified by Reg. (EU) 2025/2083 · 13,566 default values (Reg. 2025/2621) · 100% browser-side — your data never leaves your device

Why supplier communication matters for CBAM cost

No mark-up
Actual supplier emissions data eliminates the default value mark-up (Annex IV point 4.1)
Art. 10(7)
Third-country operators can register in the CBAM Registry to share verified emissions data
Letter included
CBAMCheck generates a professional supplier letter in English as one of 12 deliverables

How to request emissions data from your supplier

1
Understand what data you need
You need installation-specific embedded emissions per tonne of product. This includes direct emissions (scope 1) and indirect emissions from electricity (scope 2) per the Annex IV methodology.
2
Send the CBAMCheck supplier letter
The letter explains CBAM to your supplier in professional, non-confrontational language. It specifies what data is needed, why, and how to provide it.
3
Offer two data-sharing paths
Path 1: the supplier registers in the CBAM Registry as an operator (Art. 10(7)) and shares verified data directly. Path 2: the supplier provides data directly to you for inclusion in your dossier.
4
If actual data is not available: use defaults
If your supplier cannot or will not provide data, default values from Reg. 2025/2621 apply — with the mark-up. Document the attempt to request actual data.
5
Compare CBAM cost with actual vs default values
CBAMCheck shows both scenarios. The difference is the financial incentive for your supplier to cooperate.
6
Follow up and build the data relationship
CBAM is a multi-year obligation. Building a data relationship with your suppliers now pays off every year as the CBAM rate escalates.

Three mistakes importers make when contacting suppliers

MISTAKE 1 — AGGRESSIVE OR THREATENING TONE

Framing the data request as a demand or ultimatum

Third-country suppliers have no legal obligation to provide data. An aggressive approach damages the relationship. The CBAMCheck letter uses a professional, collaborative tone that explains mutual benefit.

MISTAKE 2 — NOT EXPLAINING WHAT CBAM IS

Assuming your supplier knows about CBAM

Many third-country suppliers are unaware of EU CBAM. The letter must explain what it is, why it matters, and what specific data is needed — in clear, accessible English.

MISTAKE 3 — NOT QUANTIFYING THE BENEFIT

Asking for data without showing the financial incentive

Suppliers are more likely to cooperate if they understand that providing actual data lowers their customer's CBAM cost — making their product more competitive in the EU market.

What you receive: 12 deliverables in one ZIP file

CBAMCheck generates a complete CBAM compliance dossier — not a single PDF. 12 structured documents delivered as a ZIP file, each citing the specific article of Reg. (EU) 2023/956 it addresses.

1

Scope Assessment

Determines whether your imports fall under CBAM and which obligations apply. Art. 2 + Art. 2a of Reg. (EU) 2023/956.

2

Embedded Emissions Calculation

Calculates embedded emissions per tonne using default values from Implementing Reg. (EU) 2025/2621 or your actual data. Art. 7 + Annex IV.

3

CBAM Certificate Estimation

Estimates the number of certificates required and the projected cost, adjusted for free allocation (Art. 31).

4

Draft CBAM Declaration

Pre-structured declaration following Art. 6(2) requirements: quantities, emissions, certificates, carbon price.

5

Carbon Price Documentation

Documents any carbon price paid in the country of origin for Art. 9 deduction. Pre-formatted for the CBAM Registry.

6

Annex V Record Template

Record-keeping template compliant with Annex V requirements. Ready for verifier review.

7

Verification Preparation

Structured preparation for Art. 8 verification by an accredited verifier. Annex VI checklist included.

8

Supplier Letter Template

Model letter in English requesting emissions data and installation information from your third-country supplier.

9

Compliance Calendar (.ics)

Importable calendar with quarterly certificate obligations (Art. 22(2)), annual declaration deadline (30 September), and key milestones.

10

Executive Summary

One-page overview of your CBAM exposure: cost estimate, timeline, risk areas. Ready for management or board reporting.

11

Interactive HTML Dashboard

Standalone HTML dashboard with 2026–2032 projections reflecting free allocation phase-out (Art. 31). Works offline, no subscription.

12

Compliance Calendar Document

Visual calendar of all CBAM deadlines, reporting windows and certificate purchase schedules.

Generated from your input data, in your browser. No data leaves your device.

See what you get

Download a sample CBAMCheck dossier. This is a real output generated with generic data — the same 12 deliverables you will receive with your company's actual figures.

Download sample dossier (ZIP)

Generic data. Your dossier will contain your actual import figures, CN codes and emissions calculations.

Estimate your CBAM exposure

Select your sector and country of origin. CBAMCheck searches through 13,566 official records from Implementing Reg. (EU) 2025/2621 and shows the result with the 2026 mark-up included.

Quick CBAM Calculator

Average European Commission default values per sector and country of origin.

Default emissions (tCO₂e/t)
Mark-up 2026 (10%)
Total emissions with mark-up
CBAM rate 2026 (2.5%)
Estimated certificates

This is a quick estimate. Your complete dossier includes projections through 2032, an editable interactive dashboard, and 10 PDF documents.

Generate your complete dossier — €299 →

Average values per sector from Implementing Reg. (EU) 2025/2621. The complete dossier uses the exact CN code of your goods, not the sector average. Estimated EU ETS price: €75/tCO₂e.

What CBAM compliance costs with each alternative

FeatureFree toolCBAMCheckSaaS Enterprise
PriceFree€299 (one-time)€1,990–€4,800/year
ModelGeneric template12 professional deliverablesAnnual subscription
Default valuesNot included13,566 (Reg. 2025/2621)Partial
Interactive dashboardNoHTML, 7-year projectionPlatform-locked
Supplier letterNoEnglish template includedVariable
Art. 8 verification prepNoIncludedVariable
PrivacyVariable100% browser-sideData on server
Multi-company supportNoVia Professional PackYes

Choose your licence

1 DOSSIER
€299
/ dossier

  • 10 professional PDF documents
  • Interactive HTML dashboard (2026–2032 projection)
  • 13,566 official default values integrated
  • English supplier letter template
  • Importable .ics calendar
  • 10 regenerations · 30 days
  • 1 licence = 1 importing company
Get your individual licence →
PROFESSIONAL PACK
€1,999
70 generations · 1 key

  • 70 generations with a single key
  • 70 complete dossiers (12 deliverables each)
  • Switch product between generations
  • Ideal for customs brokers
  • For consultants billing CBAM compliance
70 interactive HTML Dashboards × product (projection 2026–2032). Real-time tables and charts with variable calculations. No technical training required. Fully intuitive.
🔒 Data stays on your computer. No information shared with third parties.
Request Professional Pack →

How your licence works

1
1 licence = 1 importing company. You pay €299 for the dossier you generate now. The licence is linked to your company name + EORI.
2
Up to 10 regenerations of the ZIP to correct data, adjust goods or update technical information.
3
30-day editing window from first activation. Within that period you can regenerate the dossier as many times as needed (up to 10).
4
The downloaded dossier is yours forever. It does not expire and is not tied to any subscription. The 10 PDFs, HTML dashboard and .ics calendar remain functional offline.

The EU CBAM portal ASKS for data. CBAMCheck CALCULATES it.

THE EU CBAM PORTAL

Asks you to declare data

The EU CBAM Registry (Art. 14) requires you to submit total embedded emissions, number of certificates and carbon price documentation. It does not calculate these for you. You must arrive with the numbers ready.

CBAMCHECK

Calculates the data you need to declare

CBAMCheck takes your import data (tonnes, CN codes, country of origin) and generates the embedded emissions calculation, certificate estimation, carbon price documentation and all supporting records. You download the dossier and use it to complete your declaration in the CBAM Registry.

Enforcement: what happens when CBAM certificates are missing

Art. 26 of Reg. (EU) 2023/956 sets the penalties.

⚠️
Authorised declarant: penalty identical to EU ETS rate
EU ETS rate per certificate

Art. 26(1): an authorised CBAM declarant who fails to surrender the required certificates by 30 September faces a penalty identical to the excess emissions penalty under Art. 16(3) of Directive 2003/87/EC, increased per Art. 16(4). The penalty applies per certificate not surrendered. Payment does not release the obligation to surrender outstanding certificates (Art. 26(3)).

⚠️
Unauthorised importer: penalty 3–5 times the standard rate
3–5×

Art. 26(2): anyone introducing goods without authorisation faces a penalty of 3 to 5 times the standard penalty, depending on duration, gravity, scope, intent and cooperation. Also applies to importers exceeding the de minimis threshold (50 tonnes, Art. 2a) without authorisation (Art. 26(2a)).

Requesting emissions data from dozens of suppliers across multiple countries?

The Professional Pack covers 70 dossier generations. Each includes a supplier letter customised to the specific origin, sector and product — 70 letters for 70 supplier relationships.

Request Professional Pack →
70 generations · 1 key · 70 supplier letters in English

What CBAMCheck guarantees and what it does not

CBAMCheck generates a document structured according to Art. 6 and Art. 7 + Annex IV of Regulation (EU) 2023/956 from the information you enter. The truthfulness, accuracy and completeness of that information is your responsibility as importer or authorised CBAM declarant.

We guarantee that the document structure follows Regulation (EU) 2023/956 and that the legal references cited are correct. We do not guarantee that a specific document will be accepted by a national competent authority in a specific case.

CBAMCheck is not legal advice. For specific situations, consult a lawyer or specialised regulatory consultancy.

Frequently asked questions

Is this a subscription?
No. One-time payment. The licence includes 30 days of editing and 10 regenerations. The downloaded dossier is yours forever.
Can I request a refund?
By activating the licence you give express consent for the immediate generation of digital content under Art. 16(m) of Directive (EU) 2011/83, waiving the 14-day withdrawal right. Refunds are accepted only for reproducible technical faults.
What if the regulation changes?
If the regulation changes during your licence validity, you can regenerate the document with the updated version of the generator at no extra cost.
Does CBAMCheck generate a supplier letter?
Yes. One of the 12 deliverables is a professional supplier letter in English. It explains CBAM, specifies the data needed (installation-specific emissions), offers data-sharing paths (Art. 10(7) or direct) and uses a collaborative, non-confrontational tone.
What is Art. 10(7) operator registration?
Art. 10(7) allows third-country operators (manufacturers) to register in the CBAM Registry and share verified emissions data directly with EU importers. This is the formal channel, but direct data sharing is also accepted.
What if my supplier refuses to provide data?
If actual data is unavailable, you use default values from Reg. 2025/2621 — which include the mark-up (Annex IV point 4.1). Your CBAM cost will be higher, but you remain compliant. Document the attempt to request actual data.
⚠️ Important notice: CBAMCheck is a self-assessment documentation tool, not legal advice and not a third-party audit. The document is generated from your input data. You are responsible for the accuracy of the data you provide. CBAMCheck does not replace a qualified professional assessment.

Actual emissions = lower CBAM cost. The supplier letter is the first step.

12 deliverables. Professional supplier letter in English. Default vs actual comparison. Mark-up savings calculated. €299.

€299 one-time
12 professional deliverables · Browser-side · No subscription · Reg. (EU) 2023/956
Generate your CBAM dossier — €299