U.S. Trade Law 301 Investigation: What It Means for Korea's Economy in 2026

The Trump administration has launched an investigation into unfair trade practices under Section 301 of the Trade Act against 16 major economies, including South Korea, Japan, China, and the European Union (EU). This investigation is a response by the Trump administration following last month's U.S. Supreme Court ruling that mutual tariffs imposed under the International Emergency Economic Powers Act (IEEPA) were unlawful. Based on the results of this investigation, the administration is expected to impose tariffs on major trading partners to replace the mutual tariffs. The photo shows Pyeongtaek Port in Pocheong-eup, Pyeongtaek-si, Gyeonggi Province, on Thursday 2026.3.12 / News1
The Trump administration has launched an investigation into unfair trade practices under Section 301 of the Trade Act against 16 major economies, including South Korea, Japan, China, and the European Union (EU). This investigation is a response by the Trump administration following last month's U.S. Supreme Court ruling that mutual tariffs imposed under the International Emergency Economic Powers Act (IEEPA) were unlawful. Based on the results of this investigation, the administration is expected to impose tariffs on major trading partners to replace the mutual tariffs. The photo shows Pyeongtaek Port in Pocheong-eup, Pyeongtaek-si, Gyeonggi Province, on Thursday 2026.3.12 / News1

Yeo Han-koo, Director-General of the Trade Negotiations Bureau at the Ministry of Trade, Industry and Energy, speaks at a meeting to support Middle East export companies held at the Korea Trade Insurance Corporation in Jongno-gu, Seoul, on Wednesday afternoon 2026.3.11 / News1
Yeo Han-koo, Director-General of the Trade Negotiations Bureau at the Ministry of Trade, Industry and Energy, speaks at a meeting to support Middle East export companies held at the Korea Trade Insurance Corporation in Jongno-gu, Seoul, on Wednesday afternoon 2026.3.11 / News1

On Thursday, at the National Assembly in Yeouido, Seoul, the Special Act on the Operation and Management of Strategic Investments between the Republic of Korea and the U.S. (Alternative Bill) was passed during the 1st Plenary Session of the 433rd National Assembly (Extraordinary Session) 2026.3.12 / News1
On Thursday, at the National Assembly in Yeouido, Seoul, the Special Act on the Operation and Management of Strategic Investments between the Republic of Korea and the U.S. (Alternative Bill) was passed during the 1st Plenary Session of the 433rd National Assembly (Extraordinary Session) 2026.3.12 / News1

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