being rejected by the Supreme Court of the United States, Trump raised the tariff stick again.
According to local media, US President Donald Trump announced on March 11 that he would launch a new trade investigation into 16 trading partners, including China, the European Union, Japan, South Korea, India and Mexico .
U.S. Trade Representative Jamison Greer said he hoped to complete the 301 investigation with proposed relief measures before Trump's 150-day 10% temporary tariff imposed in late February expires in July. In
response, Guo Jiakun, a spokesman for the Ministry of Foreign Affairs of China, said at a regular press conference today (March 12, Beijing time) that China's position on dealing with Sino-US economic and trade issues is consistent and clear, opposing all forms of unilateral tariff measures, and that tariff wars and trade wars are not in the interests of any party. The two sides should resolve relevant issues through consultation on the basis of equality, respect and reciprocity. "The so-called '
Section 301"
The so-called "301 Survey" is derived from Section 301 of the United States Trade Act of 1974. The clause authorizes the U.S. Trade Representative to initiate investigations into "unreasonable or unfair trade practices" in other countries and to recommend unilateral sanctions to the U.S. President after the investigation is completed.
This investigation was initiated, investigated, adjudicated and executed by the United States itself, which has a strong unilateralist color.
China's photovoltaic industry has been deeply poisoned by this clause.
During Trump's first term of office, in September 2018, the Office of the United States Trade Representative used "Section 301" to https://www.databm.
month, several States in the United States formed a coalition to sue the Trump Administration, accusing its tariff policy of violating the law, calling its tariff policy a "whim, not a legitimate exercise of legitimate power", and asking the court to declare the "reciprocal tariff" illegal and prevent its implementation. On February 20
, 2026, the Supreme Court of the United States ruled that Trump's global tariffs were illegal and revoked . However, Trump later announced that he had imposed a 10% tariff for 150 days under Article 122 of the 1974 Trade Act.
According to the February monthly fiscal report recently released by the U.S. Treasury Department, U.S. tariff revenue in February was $26.59 billion, compared with $277 billion in January.Since October 2025, US tariff revenue has been about $144 billion.
However, the final scale of tariff revenue is still uncertain, and many enterprises are demanding the return of previously levied tariffs through litigation . In its ruling, the Supreme Court of the United States did not specify whether it must be returned.
The US Court of International Trade recently ruled that the government should return the tariffs that had been illegally imposed. However, the Trump administration has not yet taken action.
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