The tariff classification and status under the North American Free Trade Agreement (NAFTA) of natural ventilation systems and related equipment from Canada; Article 509

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CBP Ruling E87889 (3925900000): The tariff classification and status under the North American Free Trade Agreement (NAFTA) of natural ventilation systems and related equipment from Canada; Article 509

Paste this into a product's override reason when citing this ruling as justification for a classification.