CHAPTER 99 · TRADE MEASURE CODE
9903.01.27
Struck down9903.01.27 implements Reciprocal Tariff on goods of Mexico origin, adding The duty provided in the applicable subheading on top of the base HTS duty. It is effective April 5, 2025 through February 24, 2026.
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Additional rate
The duty provided in the applicable subheading
Status
Applies to
Mexico
Base codes paired
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What 9903.01.27 implements
Articles the product of Mexico, as provided for in subdivision (v)(v) of U.S. note 2 to this subchapter
HTS legal text: Articles the product of Mexico, as provided for in subdivision (v)(v) of U.S. note 2 to this subchapter
The IEEPA reciprocal tariff was struck down by the U.S. Supreme Court on February 20, 2026. Section 122 (9903.03) is the temporary replacement surcharge.
Related CBP rulings
The tariff classification and country of origin of a pool heater component
are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF
The tariff classification of automotive frame components from Mexico
are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF
The tariff classification of trunks from Mexico
are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF
The tariff classification of cast-iron heavy-duty cylinder heads from Mexico
are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF
The tariff classification of men’s coveralls from Mexico
are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF
The tariff classification and eligibility of the United States-Mexico-Canada Agreement (USMCA) of a Chocolate Blend from Mexico.
provided, the Chocolate Blend qualifies for USMCA preferential treatment because it meets the requirements of HTSUS General Note 11(b)(iii). The merchandise will therefore be entitled to a free rate of duty under the USMCA upon compliance w
Frequently asked questions
What is 9903.01.27?
9903.01.27 is a U.S. Harmonized Tariff Schedule Chapter 99 subheading that implements Reciprocal Tariff on goods of Mexico origin. It adds The duty provided in the applicable subheading on top of the duty in the underlying base HTS subheading. It is effective April 5, 2025 through February 24, 2026. This measure has been struck down and is not currently collected.
Is 9903.01.27 still in effect?
No. The IEEPA reciprocal tariff was struck down by the U.S. Supreme Court on February 20, 2026. Section 122 (9903.03) is the temporary replacement surcharge. Check the base HTS code's duty-by-origin page for the rate currently collected.
Where does this come from, and how current is it?
Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
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