Each group of retirement system members who are vested or are currently contributing or employers as set out in § 3-12C-203 shall elect its own trustee or trustees in a separate election. The board shall promulgate rules, pursuant to chapter 1-26, to carry out the elections. The regular term of office of a trustee is four years and expires on June thirtieth. The appointees of the Governor shall serve at the pleasure of the Governor. The appointee of the Investment Council shall serve at the pleasure of the Investment Council. Except for appointees of the Governor and Investment Council, upon the death or resignation of a trustee, the board shall appoint a successor. The successor trustee shall fill the position immediately and serve until the June thirtieth that is no less than three but no more than four years after taking office.
SDCL 3-12C-204