In the case of a plan of life insurance that provides for future premium determination, the amounts of which are to be determined by the insurance company based on then estimates of future experience, or in the case of a plan of life insurance or annuity that is of such a nature that the minimum reserves cannot be determined by the methods described in §§ 38.2-1372, 38.2-1373, and 38.2-1376, the reserves that are held under the plan shall:
Va. Code § 38.2-1377