383.37—Employer responsibilities.
No employer may knowingly allow, require, permit, or authorize a driver to operate a CMV in the United States:
(a)
During any period in which the driver has a CMV driver's license suspended, revoked, or canceled by a State, has lost the right to operate a CMV in a State, or has been disqualified from operating a CMV;
(c)
During any period in which the driver, or the CMV he or she is driving, or the motor carrier operation, is subject to an out-of-service order; or
(d)
In violation of a Federal, State, or local law or regulation pertaining to railroad-highway grade crossings.
[64 FR 48110, Sept. 2, 1999]