GlossaryEN1 min readUpdated: Jun 23, 2026

EU Single Window Customs Projects

Customs authorities and economic operators use EU Single Window systems to submit all customs declarations and supporting documents through a single digital gateway, eliminating parallel submissions to multiple agencies.

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Last updated: 23 June 2026Published: 19 June 2025

Source: https://taxation-customs.ec.europa.eu/customs-4/eu-customs-single-window_en

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Passar Hub: Everything on the new Swiss customs system

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Definition & Explanation

Customs authorities and economic operators use EU Single Window systems to submit all customs declarations and supporting documents through a single digital gateway, eliminating parallel submissions to multiple agencies. The EU Customs Single Window (EU CSW) connects national customs platforms with sector-specific bodies – covering food safety, plant health and product conformity, among others – so that data is entered once and distributed automatically. For freight forwarders and importers, this cuts clearance times and reduces the administrative burden considerably. Grounded in the Union Customs Code (UCC), the EU-level initiative establishes a cross-border harmonised infrastructure that goes beyond the national single windows of individual member states, which typically cover only domestic procedures.

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Current 2026

Passar Hub: Everything on the new Swiss customs system

Passar 2.0: import pilot with pre-registration

Passar 1.0Passar 2.0Passar 3.0

Passar Hub →Declar Info

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