Mo. Rev. Stat. § 431.183
Current with changes from the 2023 Legislative Session
Any provision in a contract, agreement or understanding that provides that a payment from a contractor to a subcontractor, trade contractor, specialty contractor or supplier is contingent or conditioned upon receipt of a payment from any other private party, including a private owner, is no defense to a claim to enforce a mechanic's lien pursuant to the provisions of chapter 429.
§ 431.183, RSMo