US Democrats Richard Neal and Ron Wyden have launched an inquiry into the Trump administration’s approval of Nvidia H200 AI chip exports to China, questioning national security safeguards, export licensing procedures and the legality of a proposed 25% tariff arrangement.
Two senior Democratic lawmakers in the United States Congress have launched an inquiry into the Trump administration’s approval of advanced Nvidia artificial intelligence (AI) chip exports to China, raising concerns over national security, export licensing procedures and the legality of a proposed tariff arrangement.
Representative Richard Neal, the top Democrat on the House Ways and Means Committee, and Senator Ron Wyden, the leading Democrat on the Senate Finance Committee, sent a letter to Commerce Secretary Howard Lutnick requesting the preservation of records related to the administration’s decision.
At the centre of the controversy are Nvidia’s H200 artificial intelligence chips, manufactured in Taiwan, which have reportedly received approval for export to China under a special arrangement. According to the lawmakers, the system requires the chips to enter the United States for a security review and obtain an export licence before being shipped to Chinese buyers.
Under the proposed arrangement, a 25 per cent tariff would be collected when the chips enter the United States. Neal and Wyden questioned whether the administration was effectively imposing an export tax through an import tariff mechanism, allowing the government to collect a portion of Nvidia’s sales to China.
In their letter, the lawmakers argued that the arrangement raised constitutional and legal concerns, particularly regarding the administration’s use of tariff powers. However, their constitutional argument represents the lawmakers’ interpretation and has not been established through a court ruling.
The Democrats also expressed concerns about the background of Chinese companies receiving permission to purchase the advanced AI processors. Citing media reports, they questioned whether some approved buyers had connections to the Chinese government or military.
They further questioned whether the Commerce Department had conducted sufficient due diligence before granting export licences, particularly given the potential national security implications of transferring advanced AI technology to China.
The congressional inquiry also raises questions about whether political considerations may have influenced the administration’s export policy. The lawmakers requested records concerning the Commerce Department’s investigation into semiconductor imports under Section 232 of the Trade Expansion Act of 1962, as well as related tariff decisions.
Additionally, they sought the preservation of documents connected to Nvidia’s export licence applications and communications involving the company, its chief executive Jensen Huang and their representatives. The letter also reminded Lutnick of federal criminal prohibitions against destroying records relevant to congressional investigations.
Separately, Democrats on the House Foreign Affairs Committee called for an immediate congressional briefing on the issue, arguing that lawmakers must be informed about the administration’s decision and its national security implications.
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Section 232 grants the US president authority to adjust imports following investigations into their impact on national security. Neal and Wyden argued that the provision was designed to address security threats arising from imports, not to facilitate exports that could themselves create security risks.
The lawmakers’ inquiry and request for records do not automatically suspend Nvidia’s chip exports to China or compel the Commerce Department to release documents immediately. However, the developments have intensified congressional scrutiny of the administration’s semiconductor export policy and the broader US-China technology relationship.
