If the lieutenant governor is not assigned sufficient duties to require full-time attention, then when carrying out the lieutenant governor's duties as a member of a board, committee, or commission established by the Legislature, the lieutenant governor may receive a per diem not to exceed seventy-five dollars per day or such amount as may be otherwise provided by law in the legislation establishing the board, committee, or commission. The per diem as authorized by this section may be paid for a maximum of sixty days in any calendar year.
SDCL 2-4-3.1