Executive Order on Securing Information and Communications Technology Supply Chain
President Trump signed Executive Order 13873 on May 15, 2019, authorizing the Secretary of Commerce to prohibit transactions involving information and communications technology or services deemed to pose national security risks. The order empowered the executive branch to restrict or ban the sale and use of foreign-made telecommunications equipment and software in the United States. Confirmed effects included investigations into Chinese technology companies and their U.S. operations, leading to restrictions on certain device imports and service providers.