FIRRMA (2018)

The Foreign Investment Risk Review Modernization Act (FIRRMA) is the 2018 United States statute, enacted in the John S. McCain National Defense Authorization Act for Fiscal Year 2019 (Pub. L. 115-232), that expanded the jurisdiction of the Committee on Foreign Investment in the United States (CFIUS) beyond controlling acquisitions to non-controlling investments in critical technology, critical infrastructure, and sensitive personal data, and to certain real estate transactions. It is investment screening rebuilt as economic defence: the inward-facing twin of the Export Control Reform Act (2018), passed in the same statute as a single legislative response to Chinese technology acquisition.

Provisions

CFIUS's prior jurisdiction, built by the Exon-Florio Amendment (1988) and the Foreign Investment and National Security Act (2007), reached only transactions that could result in foreign control of a US business. FIRRMA added "covered investments": non-controlling but non-passive stakes in US businesses involved with critical technologies, critical infrastructure, or sensitive personal data of US citizens, the triad known in the implementing regulations as TID businesses. It extended review to real estate near ports and military installations, addressed structures designed to evade review, and made filing mandatory, rather than voluntary, for certain critical technology transactions and for investments carrying a substantial foreign government interest. It also created the "excepted foreign state" mechanism, initially covering Australia, Canada, and the United Kingdom, embedding alliance trust into the screening perimeter. Implementing regulations at 31 CFR Parts 800 and 802 took effect in February 2020.

Employment history

FIRRMA codified and accelerated a practice already turning against Chinese capital: high-profile blocked or abandoned transactions in semiconductors and data-rich sectors preceded the Act and multiplied after it. Filings under the expanded jurisdiction made CFIUS review a standard feature of technology deal-making, and the mandatory declaration regime pushed screening upstream into transaction design, with Chinese-linked investment in covered US sectors falling sharply, an effect attributable jointly to CFIUS risk and to Beijing's own capital controls; the attribution split is contested. The statute's logic has since been extended outward: allied states legislated parallel regimes, coordinated through the framework treated at EU FDI Screening Regulation (2019/452) and Australia's Foreign Acquisitions and Takeovers Act (Australia, 1975), and the United States added the outbound complement, treated at Outbound investment screening and Executive Order 14105 (2023).

Effects and assessment

FIRRMA marks the point where capital flows joined goods and technology inside the economic security perimeter, the doctrinal shift treated at Economic security as national security. Its defensive contribution is broadly accepted; the criticisms concern calibration. Deal-makers argue expanded jurisdiction taxes benign investment and chills capital formation in exactly the sectors policy seeks to strengthen; screening advocates reply that the pre-FIRRMA regime demonstrably leaked dual-use capability through minority stakes and venture structures. A second critique notes the asymmetry that FIRRMA governs entry of capital but could not, until the outbound programme, address US capital and know-how flowing into adversary technology bases, the gap the spine identifies in the mapping of dependency relationships.

See also

Committee on Foreign Investment in the United States (CFIUS) · Exon-Florio Amendment (1988) · Foreign Investment and National Security Act (2007) · Export Control Reform Act (2018) · Outbound investment screening · Executive Order 14105 (2023) · EU FDI Screening Regulation (2019/452) · Economic security as national security · Economic statecraft

Sources

• FIRRMA, Public Law 115-232, accessed 30 July 2026.
• 31 CFR part 800, accessed 30 July 2026.
• 31 CFR part 802, accessed 30 July 2026.
• Treasury FIRRMA information, accessed 30 July 2026.