(a)
In general— The Secretary of Transportation shall ensure that the exception described in section 395.1(d)(2) of title 49, Code of Federal Regulations (relating to on-duty time not including waiting time at a natural gas or oil well site) applies to covered operators, except that the exception shall apply to such operators without regard to whether such operators have received special training or operate vehicles specially constructed to service wells.
(b)
Covered operator defined— In this section, the term covered operator means the operator of a commercial motor vehicle transporting supplies, equipment, or materials, including sand or water, to or from a natural gas or oil well site.