AEO
Authorised Economic Operator
BTI
Binding Tariff Information
CBAM
Carbon Border Adjustment Mechanism
CBAM default values
CBAM default emissions values
CBP
US Customs and Border Protection
CDS
Customs Declaration Service
CHIEF
Customs Handling of Import and Export Freight
CSP
Community System Provider
De minimis
Customs low-value threshold
Destin8
the UK's port community system for maritime cargo
Embodied emissions
Embodied (embedded) emissions
ENS
Entry Summary Declaration
EORI number
Economic Operators Registration and Identification number
EUR1
EUR.1 movement certificate
FDA
US Food and Drug Administration
FTA
Free Trade Agreement
GRIs
General Rules of Interpretation
GRN
Goods Received Note
GVMS
Goods Vehicle Movement Service
HMRC
His Majesty's Revenue and Customs
HS Code
Harmonised System Code (Commodity code)
HTSUS
Harmonized Tariff Schedule of the United States
Incoterms
International Commercial Terms
IPAFFS
Import of Products, Animals, Food and Feed System
MRN
Movement Reference Number
NCH
National Clearance Hub
RGR
Returned Goods Relief
TA
Temporary Admission
TARIC
EU Customs Tariff database
WCO
World Customs Organization
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FAQ
Frequently asked questions
A reference set of short, plain-English definitions of the terms, acronyms and systems used in UK import and export — from EORI numbers to customs warehousing.
Almost every customs process — declarations, reliefs, audits — hangs off the commodity code. Get the code right and the rest is far simpler.