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Section 390.23 provides that parts 390 through 399 do not apply to any motor carrier or driver operating a CMV to provide direct assistance in an emergency. Is a motor carrier or driver required to keep a record of the driver’s on-duty or driving time whi

Section 390.23 provides that parts 390 through 399 do not apply to any motor carrier or driver operating a CMV to provide direct assistance in an emergency. Is a motor carrier or driver required to keep a record of the driver’s on-duty or driving time while providing relief?

Guidance:...