Mo. Rev. Stat. § 151.220
If any railroad company shall fail to pay to the county collector of the proper county any taxes levied for state, county, municipal township, city, incorporated town and village, school, special road, library, hospital, nursing home, ambulance, zoological park and museum, public water supply, fire protection and sewer purposes and taxes for the erection of public buildings and for other purposes, on the property of the railroad company in the county, on or before the thirty-first day of December next after the same shall have been assessed and levied, the same shall then be, after that date, known and treated as delinquent railroad taxes; and the company shall forfeit and pay, in addition to the taxes with which the company may stand charged on the tax books of the county, such penalty as is provided by law for the nonpayment of other delinquent taxes, which penalty shall be apportioned to the various funds respectively. It shall be the duty of the collector to collect and account for, as other taxes, in addition to all taxes so charged against the company, the penalty aforesaid, on all such taxes after the thirty-first day of December, until the same shall be paid.
§ 151.220, RSMo