SDCL § 7-7-26: Prior authorization required for reimbursement of expenses for attending meetings--Vouchers for payment.

No charge for expenses in attending any such meetings shall be a charge against the county unless authorized and approved by the county commissioners prior to convening of any such meeting. Upon the actual attendance at such meetings, conferences, or conventions, all county officers as designated in § 7-7-25 shall be paid their actual necessary expenses on duly executed vouchers submitted to the board.