U.S. Customs and Border Protection is proposing to reclassify parallel reaction stations for organic chemistry as laboratory equipment for the treatment of materials by a process involving a change of temperature under HTSUS 8419.89.95 (4.2 percent duty) rather than as machines having individual functions under HTSUS 8479.82.0040 (duty-free).

These items are used by organic chemists to conduct simultaneous (parallel) chemical reactions via the heating, cooling, and/or stirring or shaking of chemical compounds in reaction tubes within the machines as part of the development of pharmaceutical compounds. CBP states that the ability of these machines to precisely and evenly heat or cool chemical compounds is necessary to provoke chemical reactions within the reaction tubes and that without the ability to apply a temperature gradient to the tubes the machine would not function.

Ruling NY I81272 would be revoked to reflect this change. Comments on this proposal are due no later than Sept. 8.

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