(a) an aided person is dissatisfied with any decision of a taxing master in regard to the amount which he is entitled to recover by virtue of an order or agreement for costs made in his favour or for which he is liable by virtue of an order for costs made against him; or
(b) the aided person's solicitor is dissatisfied with any decision of the taxing master on a taxation pursuant to an order for costs made in favour of the aided person,
the solicitor shall apply to the Director for authority to make objections to the taxation; and if the Director gives authority, the solicitor may thereupon make objections in accordance with the rules of court.