(a) An accident report is not required under this chapter from any
person who is physically incapable of making report during the period
of such incapacity.
(b) Whenever the driver of a vehicle is physically incapable of giving
an immediate notice of an accident as required in Section 10-107 and
there was another occupant in the vehicle at the time of the accident
capable of doing so, such occupant shall make or cause to be given the
notice not given by the driver.