The board may, pursuant to chapter 3-6D, employ persons as the board deems necessary to properly carry out the provisions of chapters 40-18 to 40-22, inclusive, and chapter 40-29, under the supervision and control of the board. The board may fix the salaries and compensation of the persons employed and may make expenditures as necessary to carry out the provisions of chapters 40-18 to 40-22, inclusive, and chapter 40-29.
SDCL 40-18-9