(a) Every law enforcement agency shall have a policy describing when law enforcement personnel may disclose to the public information or law enforcement records concerning the use of drugs or alcohol by a driver as a contributing factor in a motor vehicle accident.
(b) The policy required by subsection (a) shall include a requirement that the law enforcement agency make a good faith effort to notify the immediate family of those involved in the motor vehicle accident of the presence of drugs or alcohol as a contributing factor before such information may be made available to the public.