§ 391.45 Persons who must be medically examined and certified.
Current wording, effective July 21, 2026.
Link to an amendment published at 83 FR 47520, Sept. 19, 2018.The following persons must be medically examined and certified in accordance with § 391.43 of this subpart 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 did not occur 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 zonedriver'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
(dh) On or after June 2223, 20212025, 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, Jan.June 722, 19712021; 5487 FR 122023419, MarJan. 2421, 19892022; 6188 FR 1334780192, MarNov. 2617, 19962023; 8089 FR 2282190623, AprNov. 2318, 20152024; 8091 FR 5907545661, Oct.July 1, 2015; 83 FR 28782, June 21, 20182026]
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) 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;
(c) Any driver authorized to operate a commercial motor vehicle only within an exempt intracity zone pursuant to § 391.62, if such driver has not been medically examined and certified as qualified to drive in such zone during the preceding 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 § 391.46, if such driver's most recent medical examination and certification as qualified to drive did not occur 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;
(g) 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.
[83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021; 87 FR 3419, Jan. 21, 2022; 88 FR 80192, Nov. 17, 2023; 89 FR 90623, Nov. 18, 2024; 91 FR 45661, July 21, 2026]
Amendment history
11 distinct wordings on file since Oct. 1, 1996- [83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021; 87 FR 3419, Jan. 21, 2022; 88 FR 80192, Nov. 17, 2023; 89 FR 90623, Nov. 18, 2024; 91 FR 45661, July 21, 2026]
- [83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021; 87 FR 3419, Jan. 21, 2022; 88 FR 80192, Nov. 17, 2023; 89 FR 90623, Nov. 18, 2024]
- [83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021; 87 FR 3419, Jan. 21, 2022; 88 FR 80192, Nov. 17, 2023]
- [83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021; 87 FR 3419, Jan. 21, 2022]
- [83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021]
- [83 FR 47520, Sept. 19, 2018, as amended at 86 FR 32651, June 22, 2021]
- [83 FR 47520, Sept. 19, 2018]
- [35 FR 6460, Apr. 22, 1970, as amended at 36 FR 223, Jan. 7, 1971; 54 FR 12202, Mar. 24, 1989; 61 FR 13347, Mar. 26, 1996; 80 FR 22821, Apr. 23, 2015; 80 FR 59075, Oct. 1, 2015; 83 FR 28782, June 21, 2018]
- [35 FR 6460, Apr. 22, 1970, as amended at 36 FR 223, Jan. 7, 1971; 54 FR 12202, Mar. 24, 1989; 61 FR 13347, Mar. 26, 1996; 80 FR 22821, Apr. 23, 2015; 80 FR 59075, Oct. 1, 2015; 83 FR 28782, June 21, 2018]
- [35 FR 6460, Apr. 22, 1970, as amended at 36 FR 223, Jan. 7, 1971; 54 FR 12202, Mar. 24, 1989; 61 FR 13347, Mar. 26, 1996; 80 FR 22821, Apr. 23, 2015; 80 FR 59075, Oct. 1, 2015]
- Oct. 1, 1996 → Oct. 1, 2015annual editions 1996–2014[35 FR 6460, Apr. 22, 1970, as amended at 36 FR 223, Jan. 7, 1971; 54 FR 12202, Mar. 24, 1989; 61 FR 13347, Mar. 26, 1996]
A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section. Set a case date in the header to read any earlier wording.