Mo. Rev. Stat. § 337.709
337.709 Laws not to be construed to require employment of marital and family ...
337.709. Laws not to be construed to require employment of marital and family therapists. — No provision of sections 337.700 to 337.739 shall be construed to require any agency, corporation or organization, not otherwise required by law, to employ licensed marital and family therapists.
(L. 1995 S.B. 69, et al.)