If a majority of the voters approve the question to increase the board of trustees to five, the voters shall elect one additional trustee for a three - year term and one additional trustee for a two - year term at the next regular election and the trustees shall be certified in the same manner as provided by law. Source: SL 1975, ch 220 , § 3; SDCL Supp, § 34-17-16.3; SL 1998, ch 36 , § 49.