Mo. Rev. Stat. § 116.150: Secretary of state to issue certificate of sufficiency of petition, when — if insufficient, certificate to state reasons.

1. After the secretary of state makes a determination on the sufficiency of the petition and if the secretary of state finds it sufficient, the secretary of state shall issue a certificate setting forth that the petition contains a sufficient number of valid signatures to comply with the Constitution of Missouri and with this chapter.

2. The secretary of state shall issue a certificate only for a petition approved pursuant to section 116.332. If the secretary of state finds the petition insufficient, the secretary of state shall issue a certificate stating the reason for the insufficiency.

3. The secretary of state shall issue a certificate pursuant to this section not later than 5:00 p.m. on the thirteenth Tuesday prior to the general election or two weeks after the date the election authority certifies the results of a petition verification pursuant to subsection 2 of section 116.130, whichever is later.