§ 391.45 Persons who must be medically examined and certified.

ExceptThe as provided in § 391.67, the following persons must be medically examined and certified in accordance with §  391.43 as physically qualified to operate a commercial motor vehicle:
(a) Any person who has not been medically examined and certified as physically qualified to operate a commercial motor vehicle;
(b)(1) Any driver who has not been medically examined and certified as qualified to operate a commercial motor vehicle during the preceding 24 months;, unless the driver is required to be examined and certified in accordance with paragraph (c), (e), (f), (g), or (h) of this section;
(2c) Any driver authorized to operate a commercial motor vehicle only withwithin an exempt intracity zone pursuant to §  391.62, orif onlysuch bydriver operationhas ofnot been medically examined and certified as qualified to drive in such zone during the exemptionpreceding 12 months;
(d) [Reserved]
(e) Any driver who has diabetes mellitus treated with insulin for control and who has obtained a medical examiner's certificate under the standards in §  391.6446, if such driver's hasmost notrecent beenmedical medicallyexamination examined and certifiedcertification as qualified to drive indid suchnot zoneoccur during the preceding 12 months;
(f) Any driver who does not satisfy, with the worse eye, either the distant visual acuity standard with corrective lenses or the field of vision standard, or both, in § 391.41(b)(10)(i) and who has obtained a medical examiner's certificate under the standards in § 391.44, if such driver's most recent medical examination and certification as qualified to drive did not occur during the preceding 12 months;
(cg) Any driver whose ability to perform his/ or her normal duties has been impaired by a physical or mental injury or disease; and
(h) On or after June 23, 2025, any person found by a medical examiner not to be physically qualified to operate a commercial motor vehicle under the provisions of paragraph (g)(3) of § 391.43.
[3583 FR 646047520, AprSept. 2219, 19702018, as amended at 3686 FR 22332651, June 22, 2021; 87 FR 3419, Jan. 721, 19712022; 5488 FR 1220280192, MarNov. 2417, 19892023; 6189 FR 1334790623, MarNov. 2618, 19962024; 91 FR 45661, July 21, 2026]