N.M. Code R. § 13.9.10.8
A. For any policy of insurance delivered or issued for delivery in this state after the operative date of Section 59-16-8F(10) NMSA 1978 (now codified at Section 59A-20-31K NMSA 1978) for that policy form and before January 1, 1989, at the option of the company and subject to the conditions stated in 13 nmac 9.10.9 [now 13.9.10.9 NMAC]:
(1) the 1958 CSO smoker and nonsmoker mortality tables may be substituted for the 1980 CSO table, with or without ten-year select mortality factors; and
(2) the 1958 CET smoker and nonsmoker mortality tables may be substituted for the 1980 CET table for use in determining minimum reserve liabilities and minimum cash surrender values and amounts of paid-up nonforfeiture benefits.
D. For any policy of insurance delivered or issued for delivery in this state after the operative date of Section 59A-20-31 NMSA 1978 for that policy form, at the option of the company and subject to the conditions stated in 13 nmac 9.10.9 [now 13.9.10.9 NMAC]:
(1) the 1980 CSO smoker and nonsmoker mortality tables, with or without ten-year select mortality factors, may be substituted for the 1980 CSO table, with or without ten-year select mortality factors; and
(2) the 1980 CET smoker and nonsmoker mortality tables may be substituted for the 1980 CET table for use in determining minimum reserve liabilities and minimum cash surrender values and amounts of paid-up nonforfeiture benefits.
[12/1/85; Recompiled 11/30/01]