Whenever the board of county commissioners shall change the boundaries of any commissioner district, as provided in § 7-8-10, it shall publish notice of such change giving the boundaries of the new districts for at least two consecutive weeks in the official paper or papers of the county and when no paper is published in the county, the board shall cause notices to be posted in at least three public places in each commissioner district of which the boundaries have been changed.
SDCL 7-8-12