�1.45 Persons who must be medically examined and certified.

Except as provided in �1.67, the following persons must be medically examined and certified in accordance with �1.43 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; or

(b)(2) Any driver authorized to operate a commercial motor vehicle only with an exempt intracity zone pursuant to �1.62, or only by operation of the exemption in �1.64, if such driver has not been medically examined and certified as qualified to drive in such zone during the preceding 12 months; and

(c) Any driver whose ability to perform his/her normal duties has been impaired by a physical or mental injury or disease.

[35 FR 6460, Apr. 22, 1970, as amended at 36 FR 223, Jan. 7, 1971; 54 FR 12202, Mar. 24, 1989].