The California Department of Insurance issued a notice on October 24, 2011, which advises that most of the amendments to regulatory section 2632.13 apply to accidents that occur prior to the amendments’ December 11, 2011, effective date.
However, provisions in the amendments relating to the threshold for principally at-fault determinations and to presumptions about principally at-fault accidents do not apply to accidents that occur prior to December 11, 2011.
Please see full publication below for more information.