Mo. Rev. Stat. § 276.140: Violation is cause for enjoining operation.

If any organization of whatever form or kind, maintaining or operating a public market, as herein defined, shall violate any provision of sections 276.090 to 276.150, such organization shall be permanently enjoined from maintaining or operating, directly or indirectly, such public market, and any person, firm, company or corporation violating any provision of sections 276.090 to 276.150 shall be permanently enjoined from buying, selling or trading, directly or indirectly, at such public market.