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FinlandTulli

CBAM declarations limited to one Y-code, Tulli says

Where the code is subject to further restrictions besides CBAM, the additional information must go on other condition codes — two CBAM Y-codes cannot be combined.

By Taxxa AI OyPublished 24 September 2026

Tax

Industry: Across industries

Customs declarations for CBAM goods may carry only one Y-prefixed condition code covering the CBAM restrictionTulli. Finnish Customs (Tulli) has added the instruction to its carbon border mechanism (Hiilirajamekanismi, CBAM) page: where the commodity code is subject to further restrictions besides CBAM, the additional information those restrictions require must be declared with other condition codesTulli Tulli.

The new sentences sit in the declaration-how-to section of the page, which walks declarants through the mechanics: on a message declaration the Y-code goes in the "Muu viite" (other reference) data group — the code itself in the "Koodi" element and its additional information in "Viitenumero"; in the Customs Clearance Service (Tulliselvityspalvelu) the code is first selected under "Sertifikaatit" (certificates) with the required further details given later under document and certificate references. The valid codes are always to be checked in the Fintaric tariff service.

The constraint matters because the page lists a whole family of Y-codes a CBAM declarant may need — Y128 with the CBAM account number for authorised CBAM declarants, Y137 for importers bringing in under 50 tonnes a year without authorisation, Y238 with the pending application number for those who applied by 31 March 2026, Y422 for CBAM goods placed under inward processing, and Y134, Y135 and Y237 for exempt categories such as goods from Büsingen, Heligoland or Livigno, military consignments, Turkish free-circulation goods with an A.TR certificate, or CBAM goods produced under inward processing and released for free circulation. The new rule bars giving two CBAM-related Y-codes on one declarationTulli: additional information that other restrictions on the item require goes on other condition codesTulli.

For brokers and importers filing in Finland the practical consequence is to check the code set in Fintaric before lodging: only one CBAM-related Y-code goes on the declarationTulli, and anything further that other restrictions on the item require is declared with other condition codesTulli. The page's surrounding CBAM substance — the 50-tonne annual threshold for the authorised-declarant obligation, the goods scope, and the bookkeeping and verification duties — is unchanged by this edit.

Legal basis: Regulation (EU) 2023/956 on the carbon border adjustment mechanism (Hiilirajamekanismiasetus), as amended by Regulation (EU) 2025/2083.

Give only one CBAM-related Y-prefixed condition code on a CBAM customs declaration; declare anything further that other restrictions require with other condition codes, and check the codes in Fintaric.

Sources