Mo. Rev. Stat. § 260.1018: Copy of covenant to be provided, to whom.

1. A copy of an environmental covenant shall be provided by the persons and in the manner required by the department to:

(1) Each person that signed the covenant;

(2) Each person holding a recorded interest in the real property subject to the covenant;

(3) Each person in possession of the real property subject to the covenant;

(4) Each municipality or other unit of local government in which real property subject to the covenant is located; and

(5) Any other person the department requires.

2. The validity of a covenant is not affected by failure to provide a copy of the covenant as required under this section.