a. The actuary shall determine as of July first of each year the number of units represented by the actuarial equivalent of the benefits payable from each of the variable annuity reserve fund and the variable pension reserve fund, on the basis set forth in section 13-578 of this chapter. If the value of such number of units exceeds the assets of the respective fund, there shall be transferred to such fund from the contingency reserve fund an amount equal to such excess. If the value of such number of units is exceeded by the assets of the respective fund, there shall be transferred from such fund to the contingency reserve fund an amount equal to such excess.
b. As of July first of each year, the value of the number of units in the individual accounts in the variable annuity savings fund and the variable pension accumulation fund shall be compared with the value of the assets held in each of such funds. If the value of such number of units exceeds the assets of the respective fund, there shall be transferred to such fund from the contingency reserve fund an amount equal to such excess. If the value of such number of units is exceeded by the assets of the respective fund, there shall be transferred from such fund to the contingency reserve fund an amount equal to such excess.