(a) A person may not operate a motor vehicle transporting migrant agricultural workers and a carrier may not permit or require a person to operate the motor vehicle unless:
(1) the person has been physically examined by a licensed doctor of medicine or osteopathy during the preceding 36 months; and
(2) the doctor certifies that the person is physically qualified in accordance with Section 647.007.
(b) The doctor's certificate must state:
This is to certify that I have this day examined __________ in accordance with the Texas law governing physical qualifications of operators of migrant agricultural workers and that I find __________
Qualified under that law
Qualified only when wearing glasses or corrective lenses
I have kept on file in my office a completed examination.
____________ ____________
(Date) (Place)
________________________________
(Signature of Examining Doctor)
________________________________
(Address of Doctor)
(c) A carrier shall keep in its files at the carrier's principal place of business a legible doctor's certificate or a legible photographically reproduced copy of the doctor's certificate for each operator it employs or uses.
(d) An operator shall carry the operator's legible doctor's certificate or a legible photographically reproduced copy of the doctor's certificate when operating the motor vehicle.