SDCL § 9-53-14: Contract or assessment not invalidated by irregularity--Determination of governing body conclusive.

No contract made or assessment levied for any such improvement shall be void by reason of any defect or irregularity in the resolution of necessity or notice or in the publication thereof, and the determination of the governing body as to the sufficiency or insufficiency of protest thereto shall be conclusive unless such determination is unreasonably and arbitrarily or fraudulently made.