Mo. Rev. Stat. § 355.106
355.106 Liability for preincorporation actions.
355.106. Liability for preincorporation actions. — All persons purporting to act as or on behalf of a corporation, knowing there was no incorporation under this chapter, are jointly and severally liable for all liabilities created while so acting.
(L. 1994 H.B. 1095) Effective 7-01-95