Tennessee Code Title 52. Department of Disability and Aging § 52-3-503

(a) If, upon consideration of a petition filed pursuant to § 52-3-501, the court determines that the person was not committed under the governing provisions of this title or was not afforded due process of law, but that, nevertheless, the person has an intellectual disability and because of the condition poses a likelihood of serious harm under § 52-5-402, then the court may order the person returned to the facility where the person was located on the date of filing the petition for not more than fifteen (15) days, exclusive of Saturdays, Sundays, or holidays, only if:

(b) If the conditions in subsection (a) are not met, then the person must be released.