Mo. Rev. Stat. § 143.2105
1. As used in this section, unless the context clearly indicates otherwise, the following terms shall mean:
2.
3.
(1) For every year in which a taxpayer claims the deduction, the taxpayer shall submit an application to the department by March first of the calendar year after the calendar year in which the increase in port cargo volume occurs. The taxpayer shall attach a schedule to the taxpayer's application to the department with the following information and any other information requested by the department:
(L. 2016 S.B. 861)