Mo. Rev. Stat. § 67.850: Failure of notice, effect of.

The failure of any county clerk, circuit clerk, city clerk, or clerk of a political subdivision to mail any copy of a published notice as provided in sections 67.800 to 67.860 shall not invalidate the formation of any political subdivision or special taxing district for public works or public improvements, nor shall it invalidate any bonds issued by such political subdivision or special taxing district, nor shall it invalidate any special assessment made by such subdivision or district.