Mo. Rev. Stat. § 527.010
Current with changes from the 2023 Legislative Session
The circuit courts of this state, within their respective jurisdictions shall have power to declare rights, status, and other legal relations whether or not further relief is or could be claimed. No action or proceeding shall be open to objection on the ground that a declaratory judgment or decree is prayed for. The declaration may be either affirmative or negative in form and effect; and such declarations shall have the force and effect of a final judgment or decree.
§ 527.010, RSMo
RSMo 1939 § 1126, A.L. 1978 H.B. 1634