HTS Chapter 99 · Additional tariffs
HTS 9903.18 tariff provisions
Headings under 9903.18 are Chapter 99 provisions: temporary duties set by statute or presidential action that apply on top of, or instead of, the base rate for qualifying goods. There are 10 provisions in this group, from 9903.18.01 to 9903.18.10. Whether one applies depends on the product, its origin and the entry date.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
9903.18.01
No additional dutyEligible to be imported under the first quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.02
No additional dutyEligible to be imported under the second quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.03
No additional dutyEligible to be imported under the third quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.04
No additional dutyEligible to be imported under the fourth quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.05
No additional dutyEligible to be imported under the fifth quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.06
No additional dutyEligible to be imported under the sixth quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.07
No additional dutyEligible to be imported under the seventh quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.08
No additional dutyEligible to be imported under the eighth quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.09
No additional dutyEligible to be imported under the ninth quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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9903.18.10
No additional dutyEligible to be imported under the tenth quota period specified in a notice issued by the United States Trade Representative in any 12 month period commencing on October 1 in any year
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