GlossaryEN1 min readUpdated: Jun 26, 2026

Trade Data Harmonization

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Last updated: 26 June 2026Published: 19 June 2025

Source: https://www.wcoomd.org/en/topics/facilitation/instrument-and-tools/data-model

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Passar Hub: Everything on the new Swiss customs system

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Definition & Explanation

A freight forwarder receives shipment data from a shipper in one ERP format, the customs authority demands a standardized declaration format, and the port terminal expects a third – yet all three must convey the same information. Trade data harmonization is the alignment of data formats, coding systems, and data structures so that commercial documents such as invoices, packing lists, and customs declarations remain consistent across systems and machine-readable. International standards including UN/EDIFACT, ISO country codes, and the Harmonized System for tariff classification provide the technical backbone. Without this alignment, data handoffs break down, manual rekeying multiplies, and errors accumulate – often resulting in customs holds or compliance failures. For everyone in the supply chain, from forwarders and shippers to carriers and customs authorities, harmonized data is the prerequisite for automated, frictionless information exchange and initiatives such as Single Window environments.

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⚡ Current 2026

Passar Hub: Everything on the new Swiss customs system

Passar replaces E-dec and NCTS. Passar 1.0 (export) is live, Passar 2.0 (import) starts from Q2 2026. Roadmap, ePortal registration, deadlines and FAQ — all on one page.

Passar 1.0Passar 2.0 → Q2 2026Passar 3.0 → Q2 2027

Passar Hub →Declar Info

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Trade Data Harmonization

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Related Terms

foreign trade data

Korea Trade Network (KTNET – Trade Facilitation)

Extrastat

Single Window Customs Interface

Semiconductor Tariffs (Section 232)

Trade Policy Analysis

Passar Hub: Everything on the new Swiss customs system

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