Mo. Rev. Stat. § 380.281
Any two or more companies operating under the provisions of sections 380.201 to 380.591 may merge into one of the corporations; and companies operating under the provisions of sections 380.011 to 380.151 may merge into a corporation operating under sections 380.201 to 380.591 in the following manner: The board of directors of each corporation shall approve a plan of merger and direct the submission of the plan to a vote at a meeting of its members. The plan of merger shall set forth:
(L. 1984 H.B. 1498)
Effective 1-01-85