>until that covered model is the subject of a limited duty exemption. The second half of that sentence clarifies. It's not that you have to be able to shut dow

>until that covered model is the subject of a limited duty exemption. The second half of that sentence clarifies. It's not that you have to be able to shut down the model, everyone knows it's trivial to turn off a computer. It's that the government can force you to shut down your program until such time as they give you regulatory approval to turn it back on again.