Hong Kong Imports and Exports Classification List (Harmonized System)

Search tool and publications of Hong Kong Harmonized System (HKHS)

Finding Commodity Codes Commodity Codes Search

HKHS Volume One : Commodity Section I-X HKHS Publications

HKHS Volume Two : Commodity Section XI - XXII HKHS Publications

HKHS Correlation Table

Background

The Harmonized Commodity Description and Coding System, or Harmonized System (HS), is designed by the World Customs Organization (WCO) as a multi-purpose classification system of commodities suitable for use by customs and statistical authorities, importers/exporters, carriers and others involved in international merchandise trade. Hong Kong has adopted the HS in full for trade declaration purposes since 1 January 1992.

Structure of Hong Kong Harmonized System (HKHS)

The HS designed by the WCO is a hierarchical system of commodity classification and coding. Each commodity is identified by a 6-digit HS code, in which the first 2 digits denote the "chapter" in the HS under which the commodity is classified, the first 4 digits denote the "heading" and the whole 6 digits denote the "subheading". For example, hens are classified in subheading 0105 94 "fowls of the species Gallus domesticus", which is under heading 0105 "live poultry" in Chapter 1 "live animals".

The Hong Kong Harmonized System (HKHS) is an 8-digit classification system with the first 6 digits complying fully with the HS designed by the WCO; and the additional 7th and 8th digits meeting requirements for more detailed commodity classification in Hong Kong. The hierarchical structure of HKHS is summarised below:

HKHS 2025 Edition	Section	Chapter	Heading	Subheading	Item
No. of Categories	22	97	1 229	5 613	7 822

Previous Editions of HKHS

Each year, updating of the HKHS is made by the Census and Statistics Department (C&SD) to take account of significant changes in trade pattern and technology, and local and international requirements. Apart from the regular annual updating, the HKHS will undergo major updating usually every 5 years to incorporate the WCO's recommended amendments to the HS in its major revision.

Previous editions of HKHS and the corresponding correlation tables are also available on this website.