Get real emissions data from your supplier, not defaults
The single biggest CBAM cost driver of 2026 is not the carbon price — it is filling in default values because the supplier never sent actual data. Defaults under Regulation (EU) 2023/956 are deliberately conservative: using them can cost multiples of the real figure. This page gives you the two instruments to change that: a request e-mail in your supplier's language, and the exact field list to put in it. Copy, send, collect.
Free, no account, nothing to install. The e-mails name the regulation and the consequence; suppliers respond to cost and to regulation, not to polite requests.
What to ask for — the field list
Field
What it means, in supplier terms
CN code
The 8-digit Combined Nomenclature code of the product you supply
Production site
Name and full address of the installation where the good is produced
Process route
The production process used (e.g. blast furnace / electric arc, prebake / Soederberg)
Direct emissions
tCO2e per tonne of product, scope 1 at the installation
Precursors
Each input material with embedded emissions and its supplier data, if any
Electricity mix
Technology-specific or country-specific emission factor used, and which
Period
Which period the data covers (quarter, year)
Evidence
Any verification, certificate or measurement basis available
Source:Regulation (EU) 2023/956 implementing provisions on embedded emissions and default values; the pragmatic framing is ours. Checked: 01 November 2026.
Request e-mail — English
then replace the [brackets] with your own details
Subject: Emission data needed for our EU import (CBAM)
Dear [supplier],
Since 1 January 2026 our imports into the EU fall under the Carbon Border
Adjustment Mechanism (Regulation (EU) 2023/956). Without actual emission
data from you, EU law forces us to use punitive default values, which makes
your products significantly more expensive for us than they need to be.
Please provide, per production site and per CN code, for the goods you
supply us:
1. direct emissions (tCO2e per tonne of product);
2. relevant precursor materials and their embedded emissions, if any;
3. the production process route used;
4. the installation name and address.
An Excel sheet with the exact fields is in the table below; a filled
ISO-certified verification is welcome but not required for our first
declaration.
Without your data we must either use the defaults or reconsider volumes.
Kind regards,
[name], [company]
Subject: Данные о выбросах для нашего импорта в ЕС (CBAM)
Уважаемый [поставщик],
с 1 января 2026 года наш импорт в ЕС подпадает под Механизм пограничного
углеродного регулирования (Регламент (ЕС) 2023/956). Без фактических данных
о выбросах от вас законодательство ЕС вынуждает нас применять штрафные
значения по умолчанию, что существенно удорожает вашу продукцию для нас.
Просим предоставить по каждому производственному объекту и коду CN для
поставляемой нам продукции:
1. прямые выбросы (тCO2e на тонну продукции);
2. исходные материалы и их встроенные выбросы (при наличии);
3. используемый технологический процесс;
4. наименование и адрес установки.
Точная структура полей — в таблице ниже. Подтверждение с сертификацией
приветствуется, но для первой декларации не обязательно.
Без данных нам придётся использовать значения по умолчанию или пересмотреть
объёмы закупок.
С уважением,
[имя], [компания]
When the data arrives
Turn it into a cost figure
Put the actual values next to the defaults in the CBAM cost calculator and see the difference per tonne and per shipment-year. If the gap is large, that number belongs in your next price negotiation — and in your supplier's next sales pitch, which is exactly the argument in the e-mail above. For anything beyond the arithmetic, ask us.
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