U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2918.13.3000
$1.0M monthly imports
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Ruling Age
36 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-28 · Updates monthly
The tariff classification of potassium sodium tartrate(rochelle salt) from Spain.
NY 850828 Apr 11 1990 CLA-2-29:S:N:N1:235 850828 CATEGORY: Classification TARIFF NO.: 2918.13.3000 Mr. Edmund J. Corboy Austin Chemical Company, Inc. 9655 West Bryn Mawr Avenue Rosemont, Illinois 60018-5299 RE: The tariff classification of potassium sodium tartrate (rochelle salt) from Spain. Dear Mr. Corboy: In your letter dated March 21, 1990 you requested a tariff classification ruling. The applicable subheading for potassium sodium tartrate (Cas # 304-59-6) will be 2918.13.3000, Harmonized Tariff Schedule of the United States (HTS), which provides for potassium sodium tartrate. The rate of duty will be 4.1 percent ad valorem.* *Imported chemicals classified in subheading 2918.13.3000, are temporarily free of duty under subheading 9902.29.19, HTS, when all appropiate requirements have been met. This ruling is being issued under the provisions of Section 177 of the Customs Regulations (19 C.F.R. 177). A copy of this ruling letter should be attached to the entry documents filed at the time this merchandise is imported. If the documents have been filed without a copy, this ruling should be brought to the attention of the Customs officer handling the transaction. Sincerely, Jean F. Maguire Area Director New York Seaport