630.183. Subject to other provisions of this chapter, thehead of a mental health or mental retardation facility mayauthorize the medical and surgical treatment of a patient orresident under the following circumstances:
(1) Upon consent of a patient or resident who is competent;
(2) Upon consent of a parent or legal guardian of a patientor resident who is a minor or legally incapacitated;
(3) Pursuant to the provisions of chapter 431, RSMo;
(4) Pursuant to an order of a court of competentjurisdiction.
(L. 1980 H.B. 1724, A.L. 1983 S.B. 44 & 45)