Ohio Rev. Code Ann. § 3903.729
(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:
(4) The principle-based valuation shall 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 all of the following: