On January 15, 2021, the Department of Defense (DoD) published in the Federal Register a final rule [Docket DARS–2019–0063] adopting as final, with changes, an interim rule amending the Defense Federal Acquisition Regulation Supplement (DFARS) to implement sections of the National Defense Authorization Acts for Fiscal Years 2018 and 2019 related to the procurement of covered telecommunications equipment or services. Specifically, the rule prohibits the use of telecommunications equipment or services from certain Chinese entities and from any other entities that the Secretary of Defense reasonably believes to be owned or controlled by, or otherwise connected to, the government of the People’s Republic of China or the Russian Federation, as a substantial or essential component of any system, or as a critical technology as a part of any system.