A robot did not change last week. The paperwork did.
Same actuators. Same code. A machine that shipped without a second thought in June needs permission to exist in August. Nothing about the robot moved. The border moved.
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/when-a-robot-needs-a-passport-what-the-fcc-covered-list-really-changes-for-physical-ai