La. Stat. tit. 15 § 1109.6
The facility shall be used for the temporary detention of children under the age of eighteen years and for individuals eighteen years of age and older who were under eighteen years of age when they committed an alleged offense from the parishes within the district while awaiting trial or other disposition of their cases, runaways from parishes within the district, those awaiting transfer to the Department of Public Safety and Corrections or the office of juvenile justice, and any other purpose or use provided in R.S. 15:1109.2 or any other constitutional or statutory law. The facility may also be used to operate post-adjudication programming, including treatment and rehabilitation. Subject to the approval of the commission, juveniles from parishes outside of the district may be accepted for housing and care in accordance with rules and regulations adopted by the board and pursuant to a participation agreement between the district and the governing authority of the participating parishes, but only upon agreement of the participating parish to pay the charges established for the sublease of space in the facility and for the care and maintenance of each such juvenile.
La. R.S. § 15:1109.6