Description: This article from the Digest of Informal Discussion, Transactions of Society of Actuaries 1955 Volume 7, Number 17, identifies the participants and summarizes their comments. Discussion topics include: whether changes in ordinary insurance mortality are significant enough to consider preparing a more up-to-date mortality table for reserve purposes problems involved in constructing and securing statutory approval of annuity reserve tables with built in mortality improvement factors extent to which differences between current premium rate mortality assumptions and CSO mortality contribute to problems with deficiency reserves and arguments for and against the adoption of a different actuarial basis for deficiency reserves.