(a) A juvenile court shall exercise exclusive original jurisdiction of juvenile court proceedings in which a child is alleged to have committed a delinquent act, to be dependent, or to be in need of supervision. A dependency action shall not include a custody dispute between parents. Juvenile cases before the juvenile court shall be initiated through the juvenile court intake office pursuant to this chapter.
(b) A juvenile court shall not have jurisdiction over any delinquent act committed by an individual before his or her 18th birthday for which a petition has not been filed before the individual reaches 21 years of age, except when the delinquent act is an offense having no statute of limitation as provided in Section 15-3-5.
(c) A juvenile court shall also exercise exclusive original jurisdiction over each of the following:
(1) Proceedings pursuant to the Interstate Compact on Juveniles and the Interstate Compact on Placement of Children pursuant to Chapter 2 of Title 44.
(2) Proceedings for termination of parental rights.