Mo. Rev. Stat. § 115.401: General election candidates, list to be sent to election authorities, when.

Not later than the tenth Tuesday prior to each general election, the secretary of state shall send to each election authority a certified list containing the name and address of each person who has filed a declaration of candidacy in the secretary of state's office and is entitled to be voted for at the general election, together with a statement of the office for which such person is a candidate and the party such person represents or that such person is an independent candidate.