Mo. Rev. Stat. § 53.200

Any assessor failing to accurately compile the "real estate book" in manner and form as set forth in section 137.225, or to carefully enter the names of the owners and the descriptions of the property or to neglect any other duty required of him by law, is liable on his bond in the sum of fifty dollars, to be sued for and recovered in the name of the state and for the benefit of the school fund.