The Harmonized Commodity Description and Coding System, also known as the Harmonized System (HS) of tariff nomenclature is an internationally standardized system of names and numbers to classify traded products. ## Data Official data is "HS Nomenclature", enclosed in PDF files on the [WCO website](http://www.wcoomd.org/en/topics/nomenclature/instrument-and-tools.aspx). The data enclosed in the dataset is coming from [UN Comtrade](https://comtrade.un.org/data/doc/api/). ## License All data is licensed under the [ODC Public Domain Dedication and Licence (PDDL)](http://opendatacommons.org/licenses/pddl/1-0/).