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 (Commodity Codes). There are 6 General Rules in all, which must be applied in consecutive order.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.GRI 2 prescribes how to classify both incomplete and unassembled goods, and mixtures and combinations of goods.GRI 3 prescribes how to classify products that are, prima facie, classifiable under two different HS headings.GRI 4 prescribes how to classify products that cannot be classified according to GRI’s 1, 2, and 3.GRI 5 prescribes how to classify packaging.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. Disclaimer Our content is not in any way legal advice or binding. The information provided by might not be the official legal or full definition. Also when pursuing a specific transaction you are encouraged to conduct your own due diligence and to consult legal counsel as appropriate.