Conn. Gen. Stat. § 12-353: Life estates; annuities.

The value of each future, contingent or limited estate, income interest or annuity for life or lives in being shall, so far as possible, be determined by the rule, method and standard of mortality and of value set forth in the Commissioners' 1980 Standard Ordinary Mortality Table with interest at six per cent per annum. The value of the interest remaining after such limited estate shall be determined by deducting the computed value of the limited estate from the value of the entire property in which such interest exists.