Originally Posted by Often1

Nope.

CDC has the authority under law enacted by Congress and signed by the President to order safety measures such as this mask requirement. It did so. The fact that it did so because it was ordered to do so by the President has nothing to do with the underlying authority.

All of this is clearly stated in the CDC's Order, including citations to the specific laws authorizing it to act.

Not necessary to over-complicate this. Violation is a crime and a civil violation.