Mo. Rev. Stat. § 473.748
Unenforceability of certain contract provisions requiring a public ...
473.748. Unenforceability of certain contract provisions requiring a public administrator to be personally responsible for debt or account of a ward or protectee. — 1. As used in this section, the terms conservator, guardian, protectee, and ward shall have the same definitions as in section 475.010 .
2. Any term, provision, consideration, or covenant in any contract for treatment, goods, or services shall be unenforceable if such term, provision, consideration, or covenant requires a public administrator who is acting as a guardian or conservator to personally pay, assume, or guarantee the debt or account of a ward or protectee.
(L. 2006 S.B. 932)