Mo. Rev. Stat. § 23.070
The committee on legislative research shall meet within ten days after the convening of each general assembly and organize by selecting a chairman and a vice chairman, one of whom shall be a member of the senate and one of whom shall be a member of the house of representatives. Until January of 1985, the chairman shall be a member of the house. In 1985 the chairman shall be a member of the senate. In 1987 the chairman shall be a member of the house. The chairmanship shall alternate between members of the senate and house each two years after 1987. The director shall serve as secretary to the committee on legislative research. Unless otherwise directed by the committee, he shall keep the records of the committee and be subject to the jurisdiction and order of the committee during the vacation or recess of the general assembly. The regular meeting place of the committee shall be in Jefferson City, Missouri, and after its inception and organization it shall regularly meet at least once every three months. A majority of the members of the committee shall constitute a quorum and a majority of a quorum may act for the entire committee. Special meetings of the committee may be called at such time and place within the state as the chairman thereof designates.
§ 23.070, RSMo