ZF tT = ((Z)F tM + .6(l - z) F tF/Z + .6(l - z))
where
ZF tTis the gender-blended delect factor for year t
F tMis the male select factor for year t
F tFis the female select factor for year t
Zis the ratio of male lives to the total lives at the pivotal age
The actual tables as described in paragraphs (1) through (7) of this subdivision are contained in Appendix 20 of this Part. The tables set forth in Appendix 20 are not intended to be exclusive; other blendings of the tables referred to in paragraphs (a)(1) and (2) of this section are also acceptable.
N.Y. Comp. Codes R. & Regs. Tit. 11 § 47.2