The tariff classification of potassium nitrate from Chilewhich according to your letter will be used in metal treatment.

Reasoning

The tariff classification of potassium nitrate from Chilewhich according to your letter will be used in metal treatment.

Cite this ruling

CBP Ruling 861206 (2834210000): The tariff classification of potassium nitrate from Chilewhich according to your letter will be used in metal treatment.

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