Customs classification of quicklime follows its specific tariff description, unless conversion creates a separate chemically defined chemical product.
Imported quicklime is classifiable under tariff item 2522 10 00 where its identity as quicklime is undisputed. Under General Rule for Interpretation 1, the specific tariff description for quicklime governs. The exclusion for calcium oxide and hydroxide under heading 2825 applies where the mineral product has been converted into separate chemical elements or chemically defined compounds with the character of a chemical product. Classification rules for mixtures or composite goods do not apply in the absence of different materials or substances. (AI Summary)
Imported quicklime is classifiable under tariff item 2522 10 00 where its identity as quicklime is undisputed. Under General Rule for Interpretation 1, the specific tariff description for quicklime governs. The exclusion for calcium oxide and hydroxide under heading 2825 applies where the mineral product has been converted into separate chemical elements or chemically defined compounds with the character of a chemical product. Classification rules for mixtures or composite goods do not apply in the absence of different materials or substances. (AI Summary)
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