(2) At any time after a young person not described in subsection (1) of this section attains 18 years of age, the juvenile panel of the board may hold a hearing to determine whether it is in the young person’s best interest to transfer the young person’s case to the adult panel of the board. The juvenile panel of the board shall transfer the young person’s case to the adult panel of the board unless good cause is shown for retaining the young person’s case with the juvenile panel. [2005 c.843 §19]