Sec. 6. An individual who:
(1) is the holder of a commercial driver's license;
(2) is:
(A) an employee;
(B) an employee of a contractor; or
(C) an employee of a subcontractor;
of a public utility in an employment capacity in which the commercial driver's license is used; and
(3) operates a commercial motor vehicle as a utility service vehicle and engages in intrastate maintenance or repair work in response to a utility service interruption emergency;
is exempt from any regulation of the maximum hours of service that the employee may work under 49 CFR 395.