(a) Hereafter, in counties of the third class of this Commonwealth, the exclusive jurisdiction over all county operated facilities, through a licensed child welfare agency or otherwise approved by the court for the reception of alleged or adjudicated delinquent children or dependent children as defined in 42 Pa.C.S. § 6302 (relating to definitions), who may be in the custody of an officer appointed or elected under any law of this Commonwealth, and whose case may be under judicial investigation, shall be vested in a board of managers, which shall consist of the president judge of the court of common pleas or a judge designated by the president judge, the county commissioners, the sheriff, and the county controller of the county wherein such houses of detention are established.

(b) The president judge may choose at any time to delete the judge position from the board by so notifying the chairperson and secretary of the board in writing. The decision to delete this position shall remain in effect for as long as the president judge making the decision shall remain as president judge and thereafter until rescinded in like fashion by a successor.