DoD issues guidance as ban on Chinese companies takes effect All News β Federal News Network By: Anastasia Obis 2 July 2026 at 17:18 βPeople need to get ahead of it. If you start to ask for a waiver starting in 2027, it's going to be a painful process for everyone,β Michael Cadenazzi said. Β© Getty Images/Westy72River entrance of the Department of Defense building.