Description: This discussion focuses on pension and retirement plans, particularly the effect of tax law changes on the competitive position of insured vs trusteed plans, the advantages and disadvantages of recognizing interest rate credits by year of investment on distributing surplus or retroactive credits on group annuity contracts, and how can optional pension benefits be offered so as to protect the plan against adverse selection. From Transactions of Society of Actuaries 1960, Vol. 12, No. 33.