§ 21-13-709 — How bonds to mature

The various annual maturities shall commence not later than the
third year after the date of the bonds. All bonds shall mature
serially, at the option of the board of trustees, in
substantially equal annual installments of principal, or upon an
amortization plan for the bonds of said series, or upon an
amortization plan for the proposed bonds and all outstanding
bonds of the district, or in any other manner as the board may
determine.