S.D. Codified Laws § 31-13-1.3
Current with legislation signed by the governor on or before 3/6/2024
The board shall, at its annual meeting, designate which township roads are full maintenance roads and which are minimum maintenance roads. The board of township supervisors shall publish any resolution designating a township road as minimum maintenance if the road is a school route. The designation is final, after a lapse of thirty days, unless appealed as provided in chapter 31-3. Following its annual meeting, the board shall submit to the county auditor an official map showing each road on the township road system, including any road designated as a minimum maintenance road.
SDCL 31-13-1.3