Cal. Health & Safety Code § 103050
(a) A person shall not dispose of human remains unless both of the following have occurred:
(b)
(1) Notwithstanding subdivision (a), neither a death certificate nor a permit for disposition shall be required to transport human remains from California to an adjacent state for disposition in that state when all of the following circumstances exist:
(2) The coroner may release the remains to a licensed out-of-state funeral establishment without a death certificate or permit for disposition when he or she determines that all of the following conditions exist: