The tariff classification of Dibenzo[b,f][1,4]thiazepin-11(10H)-one (CAS 3159-07-7) from India

N060018 May 20, 2009 CLA-2-29:OT:RR:E:NC:2:239 CATEGORY: Classification TARIFF NO.: 2934.99.3900 Ms. Dina Maria Donnelly Aceto Corporation One Hollow Lane Lake Success, NY 11042 RE: The tariff classification of Dibenzo[b,f][1,4]thiazepin-11(10H)-one (CAS 3159-07-7) from India Dear Ms. Donnelly: In your letter dated May 8, 2009, you requested a tariff classification ruling for Dibenzo[b,f][1,4] thiazepin-11(10H)-one. The applicable subheading will be 2934.99.3900, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: Other: Other: Aromatic or modified aromatic: Other: Other: Products described in additional U.S. note 3 to section VI. The rate of duty will be 6.5 percent ad valorem.     Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUS and the accompanying duty rates are provided on World Wide Web at http://www.usitc.gov/tata/hts/. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Richard Dunkel at 646-733-3032. Sincerely, Robert B. Swierupski Director National Commodity Specialist Division