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Thailand’s zero tariff vow to Trump still limits US imports

The American president has touted his tax threats for pushing countries to buy more US goods and claimed, as in the case of Indonesia, that markets are “completely open” to American goods

    • The tariff is expected to shave off as much a 1.5 percentage points of Thailand’s economic growth next year.
    • The tariff is expected to shave off as much a 1.5 percentage points of Thailand’s economic growth next year. PHOTO: BLOOMBERG
    Published Wed, Aug 6, 2025 · 01:08 PM

    [BANGKOK] Thailand’s pledge to US President Donald Trump of near-total market access for US goods includes key limits to protect some domestic industries, according to a government official, laying out the South-east Asian nation’s terms for a tariff deal with Washington.

    The restrictions, specifically on pork and corn, will be hammered out in final negotiations with the US, said Pongsarun Assawachaisophon, who was involved in the talks and serves as deputy secretary-general to the prime minister.

    The tariff is expected to shave off as much a 1.5 percentage points of Thailand’s economic growth next year. The deal is designed to fulfil Trump’s demand to erase Thailand’s US$45 billion trade surplus while still keeping trade open to Bangkok’s biggest export market.

    The US president announced a 19 per cent tariff on Thailand last week, down from an earlier threatened 36 per cent, following several rounds of negotiations and offers from Thailand, including eliminating import levies on more than 90 per cent of US goods.

    “Among more than 10,000 US items that will get a 0 per cent tariff, some will be subject to tariff staging, import quotas or other conditions,” Pongsarun said on Monday (Aug 4). “Thailand got a really good deal because we didn’t act carelessly. We explained our reasons and didn’t just stubbornly keep everything shut.”

    Trump has touted his tariff threats for pushing countries to buy more US goods and claimed, as in the case of Indonesia, that markets are “completely open” to American goods. But many countries in South-east Asia have sought carve-outs or protections for agricultural sectors, with farmers forming a key political constituency. Jakarta, for instance, wants to buffer its poultry and corn industries while Vietnam’s seafood sector is seeking support.

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    For US pork, Bangkok will gradually reduce tariffs and limit American imports to less than 1 per cent of domestic consumption. It must also be free of the additive ractopamine, which is used to promote the development of lean muscle mass and is banned in Thailand.

    The initial limitations are to allow the US to “test the market” while giving Thai pork producers, notably Charoen Phokphand Foods and Betagro, and smaller pig farmers time to adjust, he said. Pork market access has long been a contentious issue for the US, and the reason why Washington revoked some trade preferences for Bangkok in 2020.

    As for corn, Thailand will require local feed mills to absorb all home grown corn first, at set prices, before being granted quotas to import US supplies, said Pongsarun. The government will also allow US corn imports only during specific windows when there’s no harvest in Thailand, to minimise impact on local output, he added.

    While the details have not been finalised, the timing may align with US exports, with shipments usually rising around November to March, a slow period for Thai harvests.

    The Thai Feed Mill Association, which has been consulted on the matter, has said that the country is able to buy as much US$2.8 billion annually of US corn, as well as soybean meal and dried distillers’ grains.

    ‘Made in Thailand’

    A separate concern for Thailand is Trump’s 40 per cent additional tariff on so-called transshipped goods, a way for Washington to block Chinese manufacturers from evading higher US tariffs.

    About one-third of Thailand’s current exports to the US would fall under this category, Pongsarun said, ranging from car tires to electrical appliances and toys that were made by Chinese factories in Thailand.

    Government regulations deem goods with at least 40 per cent of local content to be “Made in Thailand”, but Pongsarun said that officials expect the US might require a much higher threshold, possibly up to 80 per cent. Those details have yet to be unveiled by Washington.

    Since April, Thailand rewrote rules around the issuance of certificates of origin with the help of the US Customs and Border Protection, and has ramped up inspection and factory visits for 65 types of goods, worth about US$15 billion, that the US had flagged as being potentially mislabelled as Thai-made.

    Going forward, product certification will also only be granted by the Department of Foreign Trade, instead of the Federation of Thai Industries or the Thai Chamber of Commerce, a move that allows the government greater oversight.

    “It’s what we need to do anyway,” Pongsarun said. “The US deal is a wake up call that nudges us to expedite the process to reform this system.” BLOOMBERG

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