(a) No person shall dispatch or drive any commercial motor vehicle or permit any passengers thereon, when the following conditions are known to exist, until such conditions have been remedied or repaired:

(a)(1) Where an occupant has been affected by carbon monoxide;

(a)(2) Where carbon monoxide has been detected in the interior of the commercial motor vehicle;

(a)(3) When a mechanical condition of the commercial motor vehicle is discovered which would be likely to produce a hazard to the occupants by reason of carbon monoxide.

(b) [Reserved]

[60 FR 38747, July 28, 1995]