Mo. Rev. Stat. § 351.025: Corporation organized under special law may file certification of acceptance of this law.

Any existing corporation heretofore organized for profit under any special law of this state may accept the provisions of this chapter and be entitled to all of the rights, privileges and benefits provided by this chapter, as well as accepting the obligations and duties imposed by this chapter, by filing with the secretary of state a certificate of acceptance of this chapter, signed by its president and secretary, duly authorized by its board of directors, and approved by the affirmative vote of a majority of its outstanding shares.