§396.13 Driver inspection.
Before driving a motor vehicle, the driver shall:
(a) Be satisfied that the motor vehicle is in safe operating condition;
Can you be satisfied that the motor vehicle is in safe operating condition without any on duty time at all? Can you be satisfied, without a single second of on duty not driving time, that you still have your wheels attached to your trailer, the lights haven’t bee stolen, the rear doors haven’t been opened, or straps on the flatbed cut by some miscreant, etc?
To me this question seems relatively self explanatory, but perhaps not.