<P> The General Rules for the Interpretation of the Harmonized System ("GRI") are the rules that govern the classification of goods under the Harmonized Commodity Description and Coding System (HS). </P> <P> There are 6 General Rules in all, which must be applied in consecutive order . </P> <Ol> <Li> GRI 1 prescribes how to classify products at the 4 - digit Heading level, based on the wording of the headings and the relative HS Section and Chapter Notes . </Li> <Li> GRI 2 prescribes how to classify both incomplete and unassembled goods, and mixtures and combinations of goods . </Li> <Li> GRI 3 prescribes how to classify products that are, prima facie, classifiable under two different HS headings . </Li> <Li> GRI 4 prescribes how to classify products that cannot be classified according to GRI's 1, 2, and 3 . </Li> <Li> GRI 5 prescribes how to classify packaging . </Li> <Li> GRI 6 prescribes how to classify products at the 6 - digit subheading level, based on the wording of the subheadings and the relative HS Section and Chapter Notes . </Li> </Ol> <Li> GRI 1 prescribes how to classify products at the 4 - digit Heading level, based on the wording of the headings and the relative HS Section and Chapter Notes . </Li>

General rules for the interpretation of the harmonised system