The board of directors of said district shall each year at the meeting at which it estimates the amount required for the general fund, in accordance with the provisions of section 298.1, estimate the additional amount, if any, necessary to provide the required annual payments to surviving beneficiaries, which amount shall be levied by the board of supervisors in accordance with the provisions of section 298.8. Upon the death of the last beneficiary to survive, any balance remaining in said fund, including any undisposed of accumulations, shall be transferred to the general fund of said school district.
Iowa Code § 294.13
Referred to in §294.12