I found it! Here's the reference for the earlier comments I made. It comes from the AAU (Association of American Universities) summary of the CHIPS and Science Act of 2022 (H.R. 4346):
Sec. 10339B. Foreign Financial Support. Institutions must annually report to NSF, in the form of a summary document, current financial support, including gifts and contracts, of $50,000 and above the institutions receives directly or indirectly from a foreign source associated with a foreign country of concern (China, North Korea, Russia, Iran, or any other country determined to be a concern by the Secretary of State). All financial supporting documents must be retained by the institutions and true copies may be requested by NSF as a result of summary document review. Institutions who fail to comply with this section may be subject to reduction or termination of awards.
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