Ohio Rev. Code § 3919.05: Mortality experience or table.

Unless an association transacting business under sections 3919.02 to 3919.10, inclusive, of the Revised Code, provides otherwise, the actual mortality experienced on all outstanding contracts shall be determined and distributed between all such contracts in proportion to the cost of insurance on the basis provided in section 3919.02 of the Revised Code, or such other mortality table approximating the experience of the association as it may provide.