Tennessee Code Title 33. Mental Health and Substance Abuse and Intellectual and Developmental Disabilities § 33-7-202

(a) If the commissioner authorizes the transfer of a voluntary service recipient with mental illness to a forensic services unit, the chief officer of the receiving facility shall initiate commitment proceedings under chapter 6, part 5 of this title.

(b) In the proceedings the court shall determine, in addition to the findings required by chapter 6, part 5 of this title, whether the service recipient is substantially likely to injure the person or others if not treated in a forensic services unit and whether treatment in a forensic services unit is in the person's best interest.