A commodity code is a sequence of numbers made up of six, eight or ten digits, and determines customs duties and other charges levied on goods for import and export.
You can search UK Trade Info to find the right commodity code. You can also use the UK Trade Tariff tool to search for import and export commodity codes as well as the tax, duty and licenses that apply to goods.
We need commodity codes to help correctly declare our goods, which ensures that we pay the right amount of tax and duties, as well as helping us take advantage of any Customs benefits where relevant, such as duty suspension or preferential duty rates.