GlossaryEN1 min readUpdated: Jun 16, 2026

Amendment (to a customs declaration)

Once a customs declaration has been submitted and accepted by the authority, its data cannot simply be overwritten – that is where an amendment comes in.

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Last updated: 16 June 2026Published: 19 June 2025

Source: https://ec.europa.eu/taxation_customs/business/customs-procedures/glossary-customs_en

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Passar Hub: Everything on the new Swiss customs system

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Definition & Explanation

Once a customs declaration has been submitted and accepted by the authority, its data cannot simply be overwritten – that is where an amendment comes in. An amendment to a customs declaration is the declarant's formal request to correct or supplement information in an already accepted declaration, whether due to an error in the goods description, quantity, or customs value, a subsequent change in circumstances, or missing supporting documents. Customs authorities generally permit amendments only while goods have not yet been presented for examination and no physical inspection has been ordered; once goods are released, the scope for correction narrows considerably. In day-to-day freight forwarding, filing an amendment is often time-critical, since incorrect data can trigger delays, post-clearance duty demands, or penalties. An amendment should not be confused with invalidation, where the entire declaration is withdrawn and resubmitted from scratch.