GATT : General Agreement on Tariffs and Trade

The General Agreement on Tariffs and Trade is an international multilateral agreement which embodies a code of practice for fair trading in international commerce.

Read more GMR : Goods Movement Reference

The GMR number combines multiple declaration reference numbers (MRNs) into a single goods movement reference.

You cannot move goods through UK ports without a GMR and may face delays at the port without one.

Read more Goods Declaration

A statement to Customs, indicating the Customs procedure to be used.

Read more Groupage

Small consignments bulked together and consigned by a forwarder or carrier as one shipment to reduce the cost of freight. This term tends to apply to sea freight and road haulage.

Read more GSP : Generalised System of Preferences

Preferential tariff system which provides tariff reduction on various products.

Read more Guarantee

Undertaking by which the surety assumes obligations towards the Customs.

Read more Guaranteeing Association

An association which is approved by the Customs of a Contracting Party to an international agreement to guarantee the payment of any sums legally due, under the terms of this agreement, to the Customs of that Contracting Party, and which is affiliated to a guaranteeing chain.

Read more GVMS : Goods Vehicle Movement System

The UK Goods Vehicle Movement System connects vehicles to consignments. Pre-lodgement of declarations is required before arrival at the port of departure.

Read more

Latest News

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HMRC Update - Electronic Travel Authorisation

Eligible HGV drivers travelling to the UK without a visa need an Electronic Travel Authorisation (…

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Customs Clearance - What's New in 2026

2025 was an eventful year for changes to customs clearance requirements and regulation, and 2026…

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HMRC Update : Import Control System 2 (ICS2) – act now to be ready by 31 December 2025

Import Control System 2 (ICS2) is the new IT system for submitting entry summary (ENS) declarations…

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Douane (French Customs) update - ICS2 Road, Rail Vectors and Unaccompanied Trailers Important Reminder: End of Transition on 31 December 2025

The ICS2 transition period for road and rail vectors and for unaccompanied trailers ends on 31…

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HMRC Update - CDS System Maintenance, Sat 13 - Sun 14 December 2025

Due to maintenance the Customs Declaration Service (CDS) will be unavailable to all users from…

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CustomsLink Christmas and New Year Opening Times 2025

Our customer service team will be available in some capacity most days over the Christmas and New…