For proceedings listed within Part 2 of this Schedule, where a representative considers that the sum allowable under Table 1 or Table 2, as applicable, would not provide reasonable remuneration according to the work reasonably undertaken and properly done, the representative may apply to the judge before whom the proceedings took place for a certificate that for any reason including the exceptional length, difficulty or complexity of the proceedings the limitation on the sums allowable under Table 1 or Table 2, as applicable, shall not apply and where such certificate is granted the Department shall allow remuneration under Table 3 to 19, as applicable.