Tables for Unisex Joint Beneficiary Life furnished by the TRS actuary of record (actuary) will be used in calculating a life expectancy under § 824.1013 of the Government Code. A fraction of a year shall be converted to whole months with any partial month being rounded upward to a full month. Life expectancy shall be determined as of the date of the retirement in question and the age of the original beneficiary at that time. The Teacher Retirement System of Texas adopts the actuary's Tables for Unisex Joint Beneficiary Life.
34 Tex. Admin. Code § 29.21