SDCL § 31-12A-35: Directors authorized to adjust boundaries of district--Limitations.

After the creation of a road district, minor adjustments to the boundaries of the district may be made by the directors, without referendum. Such adjustments may not delete lands from the district that have been subject to a special assessment during the budget year or the current year and such adjustments may not include additional land in the district without the written approval of the owner of the land.