| Also known as | — |
| Issuing authority | Customs tariff |
| Applicable regions | EU / UK / global |
| Related regulations | — |
| Document type | Code / reference |
Aviation rotables may need granular codes beyond generic chapter 88 headings to reflect material and function.
Wrong commodity codes misstate statistical obligations and anti-dumping exposure.
Some procedure codes pair only with certain commodity families—mis-pairs fail validation.
Classifiers walk HS explanatory notes, then apply national extensions and legal notes.
Invoices should carry the agreed code for repeatability.
Updates to the tariff schedule must cascade to master data promptly.
Doana structures technical descriptions from invoices to accelerate classifier review and keep codes aligned with shipment realities.