Description: This report, by the Committee on Nonforfeiture and Valuation Mortality Problems, resulted from a request by the NAIC to develop non sex distinct mortality rates in light of a recent court decision prohibiting sex distinct mortality in determining benefits derived from defined contribution pension plans. Also included is the ‘February 7, 1984, Report of the Society of Actuaries Committee on Nonforfeiture and Valuation Mortality Problems - Individual Life Insurance and Annuities Blended Selection Factors for Blended 1980 CSO Tables,’ which describes the subsequent determination of select factors, and discussion of two letters the Committee received. From the 1985 Transactions Vol. 37.