Treasury proposes wider outbound-investment rules for AI and other technologies

The US Treasury is proposing a broader set of rules for American investment in defined sensitive technologies abroad. Its 22 October notice implements the Comprehensive Outbound Investment National Security Act, or COINS Act, by specifying which covered transactions would require notification and which would be prohibited.[1]

The legal stages matter. The Act was enacted on 18 December 2025 through the fiscal-year 2026 National Defense Authorization Act. Treasury’s new implementing rules are a proposal open for comment until 7 December 2026. The department says the existing outbound-investment regulations, effective since 2 January 2025, remain in force.[2]

Coverage depends on definitions, not the AI label

The five strategic sectors identified in Treasury’s announcement are semiconductors and microelectronics, AI systems, quantum information technologies, high-performance computing and supercomputing, and hypersonic systems. Treasury also proposes adding biotechnology through the Act’s mechanism for additional technologies.[1]

These sector names do not make every overseas company operating in them a prohibited investment. Coverage turns on the defined technology, foreign person and transaction, along with the rules governing the US person involved. Notification and prohibition are different obligations, and exceptions are part of the framework.[1]

That distinction is especially important for AI, a category spanning ordinary business applications and strategically sensitive capabilities. A sector label tells a reader where to look. The technical thresholds and transaction definitions determine whether a particular investment falls within the programme.[1]

The consultation is about where those boundaries fall

Treasury seeks comments on matters including covered transactions, covered foreign persons, notification requirements, exceptions and knowledge standards. These details influence what an investor must investigate before deciding how a deal is treated. They also determine whether the final requirements can be applied consistently to complex ownership structures.[1]

The investment framework addresses a different question from a restriction on shipping a chip or licensing software. It concerns the transaction and the benefits that capital and associated expertise can provide. Treating an outbound-investment proposal as a general ban on foreign AI business would obscure both its scope and its legal status.[1]

The next concrete milestone is the close of comments on 7 December. Treasury must consider the submissions before finalising implementing regulations and setting their effective date. For now, the change is a proposed expansion and definition of the regime alongside rules that are already operative.[1][2]

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