Cal. Ins. Code § 10489.97
(a) A company shall establish reserves using a principle-based valuation that meets the following conditions for policies or contracts as specified in the valuation manual:
(3) Incorporate assumptions that are derived in one of the following manners:
(B) For assumptions that are not prescribed, the assumptions shall:
(b) A company using a principle-based valuation for one or more policies or contracts subject to this section as specified in the valuation manual shall do the following: