Cal. Educ. Code § 26129

“Gain and Loss Reserve” means the reserve account established by the board within the fund with respect to the Cash Balance Benefit Program to be drawn upon to the extent necessary to credit interest to employee accounts and employer accounts at the minimum interest rate during years in which the plan’s investment earnings with respect to the Cash Balance Benefit Program are not sufficient for that purpose, and where necessary, to provide additions to the Annuitant Reserve for monthly annuity payments.