Supreme Court Rules 2000

If a fee or allowance is discretionary, the taxing officer is to take into consideration the following:

any other fee or allowance in respect of the work to which the fee or allowance relates;

the nature and importance of, and the amount involved in, the proceedings;

the interest of the parties;

the person, estate or fund by whom or by which the costs are to be borne;

the general conduct and costs of the proceedings;

any other relevant circumstances.