Section 40830 Of Article 2. Civil Actions From California Vehicle Code >> Division 17. >> Chapter 3. >> Article 2.
40830
. In either of the following circumstances a violation of any
provision of this code does not establish negligence as a matter of
law, but in any civil action under either of the circumstances
negligence must be proved as a fact without regard to the violation.
The circumstances under which this section applies are either:
(a) Where violation of the provision was required by a law of the
federal government or by any rule, regulation, directive or order of
any agency of the federal government, the violation of which is
subject to penalty under an act of Congress or by any valid order of
military authority.
(b) Where violation of the provision was required in order to
comply with any regulation, directive, or order of the Governor
promulgated under the California Emergency Services Act.