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Mineral Fuels, Oils from Thailand Tariff: 10% (2026)

Tariff Rate Breakdown

10%

Section 122 Base

10%

Effective Rate

The United States imports substantial quantities of mineral fuels, oils from Thailand, with approximately $60B in total bilateral trade.

Following the Supreme Court's landmark February 20, 2026 decision striking down IEEPA tariffs, imports of mineral fuels, oils from Thailand are now subject to a 10% base tariff under the Section 301 forced-labor tariff, which replaced the flat 10% Section 122 rate (in effect February 24 – July 24, 2026).

This 10% base surcharge is the Section 301 forced-labor tariff that replaced the flat 10% Section 122 rate when Section 122's 150-day authority expired on July 24, 2026. The final action covers roughly 60 economies under a two-tier 10%/12.5% structure — broader than the earlier 46-country proposal.

Mineral Fuels, Oils (HTS Chapter 27) carry an average MFN duty rate of 0.5% in addition to the base forced-labor tariff. No additional Section 232 or Section 301 surcharges apply to most products in this category from Thailand.

Key products in HTS Chapter 27 imported from Thailand include Crude petroleum, Natural gas, Coal, Gasoline, Diesel fuel, and Jet fuel.

Common Products in Chapter 27

Crude petroleumNatural gasCoalGasolineDiesel fuelJet fuelPetroleum cokeLiquefied propane

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Frequently Asked Questions

What is the current tariff rate on mineral fuels, oils from Thailand?

As of mid-2026, mineral fuels, oils from Thailand face a base tariff of 10% under the Section 301 forced-labor tariff, which replaced the flat 10% Section 122 rate on July 24, 2026. The effective rate is about 10% on the most-affected products.

Will the tariff on mineral fuels, oils from Thailand change?

The flat 10% Section 122 tariff expired July 24, 2026 and was replaced the same day by the Section 301 forced-labor tariff; Thailand's current 10% base surcharge is that two-tier (10%/12.5%) rate, covering roughly 60 economies. In August 2026, 25 states sued to block the forced-labor tariff, but CBP continues collecting it while the case proceeds.

How did the Supreme Court ruling affect mineral fuels, oils imports from Thailand?

The Supreme Court's February 20, 2026 ruling struck down IEEPA reciprocal tariffs as exceeding presidential authority. The president signed a replacement flat 10% tariff under Section 122 the same day, effective February 24; that rate expired July 24, 2026 and was replaced by the Section 301 forced-labor tariff (now 10% for Thailand).