(a) On the creation of an additional district court in a county, an existing district court in the county may transfer to the new court a case regarding a child who is subject to the continuing exclusive jurisdiction of the existing court under Title 5, Family Code, regardless of whether the case is pending in the existing court or the existing court rendered a final order in the case.
(b) The district court to which the case is transferred under this section acquires continuing exclusive jurisdiction under Title 5, Family Code, over the child.