La. R.S. 13:1571.9

If a child has been placed on probation or protective supervision by a juvenile court of another state and the child is in this state with or without the permission of that court, the probation officer of that court or other person designated by that court to supervise or take custody of the child has all the powers and privileges in this state with respect to the child as given by this chapter to like officers or persons of this state, including the right of visitation, counseling, control, direction, taking into custody, and returning to that state.