In this interim final rule (IFR), the Bureau of Industry and Security (BIS) will implement controls to address risks to national security and U.S. persons posed by certain transactions involving classes of information and communications technology and services (ICTS) supplied by entities under the ownership or control of, or subject to the jurisdiction or direction of, a foreign adversary, pursuant to Executive Order 13873 and the procedures set out in subsequent rulemaking. BIS has determined that entities under the ownership or control of, or subject to the jurisdiction or direction of, a foreign adversary which deal in, install, or service networking equipment and services in data centers present undue or unacceptable risks to national security and U.S. persons.