S.D. Codified Laws § 4-8-7
Current with legislation signed by the governor on or before 3/6/2024
In case of extreme emergency caused by accident or some other cause wholly unavoidable or unforeseen by any officer, board, or commission supported by state appropriation, he or it may incur the necessary expense upon approval in writing by the Governor, which expense, thus incurred, shall be paid out of the existent appropriation made for the maintenance of such office, board, or commission for the succeeding year when available.
SDCL 4-8-7