As published, the rules require licenses before U.S. exports can be shipped to facilities with advanced chip production in China, as part of a U.S. bid to slow Beijing's technological and military advances.
Register now for FREE unlimited access to Reuters.com RegisterThe U.S. had planned to grant licenses to supply non-Chinese chip factories on a case-by-case basis, while licenses to Chinese chipmakers will face a presumption of denial.
As of midnight Tuesday, vendors also cannot support, service and send non-U.S. supplies to such China-based factories without licenses if U.S. companies authorize, direct or request them.
A White House spokesperson also did not respond to a request for comment.
Register now for FREE unlimited access to Reuters.com RegisterReporting By Jane Lanhee Lee and Karen Freifeld; Editing by Kim Coghill and Richard PullinOur Standards: The Thomson Reuters Trust Principles.