In 2018, Congress passed the Foreign Investment Risk Review
Modernization Act (FIRRMA) to modernize the Committee on Foreign
Investment in the United States (CFIUS). CFIUS is chaired by the Secretary of
the Treasury and is empowered to review certain transactions
involving foreign investment in the U.S. that may affect national
security. On January 23, 2020, the U.S. Department of the Treasury
("Treasury") released final regulations that implement FIRRMA.
Prior to the enactment of FIRRMA, the authority of CFIUS to
conduct national security reviews of foreign investment in the U.S.
was generally limited to "control" investments by
"foreign persons" in U.S. businesses (with such terms
defined under applicable statutes and regulations). Under the
regulations implementing FIRRMA, which take effect on February 13,
2020, CFIUS now has within its purview, among other things,
non-controlling foreign investments in U.S. businesses that: (a)
develop critical technologies, (b)