The U.S. Department of the Treasury has unveiled a draft proposal aimed at restricting investments in China, with plans to enact corresponding legislation. The strategy for overseeing U.S. investments in China will transition from a tiered regulatory framework to a more stringent, principle-based ban. The scope of restricted technology sectors is set to expand from three to six, with the most significant changes targeting the AI industry. Certain investments that previously only necessitated reporting may now face outright prohibition. Currently, this proposed regulation is open for public comment.

For nearly two years, the U.S. has been imposing restrictions on technology investments in China. Heightened regulatory scrutiny has led to a substantial decline in such investments, and those found to be non-compliant will incur hefty fines. The latest round of tightened restrictions by the U.S. serves two primary purposes: firstly, to curb the transfer of technological resources and business ties that often accompany investments; secondly, because the previous method of defining restriction scopes based on metrics like computing power has become outdated in the face of AI technology's rapid evolution.

In the short term, the new regulations will predominantly impact unlisted Chinese AI and other tech startups seeking U.S. investment. The increased compliance costs are expected to dampen investor enthusiasm, although public market stock transactions will continue to enjoy numerous exemptions. Over the long haul, the new rules will compel Chinese AI firms to restructure their financing approaches. While the direct financial repercussions may be contained, the uncertainties surrounding compliance will reverberate throughout the cross-border financing ecosystem, introducing greater unpredictability for the lengthy and capital-intensive R&D processes involved in large-scale AI models.