Missouri Revised Statutes Title XII. Public Health and Welfare § 190.144. Immunity from liability, when

(1) Transporting a person for whom an application for detention for evaluation and treatment has been filed under section 631.115 or 632.305;

(2) Physically or chemically restraining an at-risk behavioral health patient as that term is defined under section 190.240 if such restraint is to ensure the safety of the patient or technician; or

(3) The administration of a patient's personal medication when deemed necessary.