# Maritime Single Window System

*Last updated: 2026-06-25*

> When a vessel enters port, the Maritime Single Window consolidates all mandatory regulatory submissions – vessel particulars, cargo manifests, customs declarations, dangerous goods notifications, and security reports – into a single electronic platform, eliminating the need to file separately with customs, port authorities, and border agencies.

When a vessel enters port, the Maritime Single Window consolidates all mandatory regulatory submissions – vessel particulars, cargo manifests, customs declarations, dangerous goods notifications, and security reports – into a single electronic platform, eliminating the need to file separately with customs, port authorities, and border agencies. The concept is grounded in the IMO FAL Convention (Convention on Facilitation of International Maritime Traffic), and a harmonised Maritime Single Window is now mandatory in the EU. It significantly reduces administrative burden, accelerates clearance, and ensures data consistency across all parties. Unlike a general customs single window, it explicitly covers shipping-specific obligations such as security declarations under the ISPS Code.

**Source:** [https://www.imo.org/en/OurWork/Facilitation/Pages/FAQ-Maritime-Single-Window.aspx](https://www.imo.org/en/OurWork/Facilitation/Pages/FAQ-Maritime-Single-Window.aspx)

## Quick Facts

| Property | Value |
|---|---|
| Term | Maritime Single Window System |
| Language | EN |
| Word count | 107 |
| Last updated | 2026-06-25 |
| Source | https://www.imo.org/en/OurWork/Facilitation/Pages/FAQ-Maritime-Single-Window.aspx |

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