Rule 837 of the Principal Rules is amended by inserting after subrule (8) the following subrule:(8A) An additional fee amount may be allowed by the taxing officer, having regard to the circumstances of the case, including the following circumstances:(a) the complexity of the matter;(b) the difficulty or novelty of the questions involved in the matter;(c) the skill, specialised knowledge and responsibility involved and the time and labour expended by the legal practitioner;(d) the number and importance of the documents prepared and perused, regardless of length;(e) the amount or value of money or property involved;(f) research and consideration of questions of law and fact;(g) the general care and conduct of the legal practitioner, having regard to the instructions and all relevant circumstances;(h) the time within which the work was required to be done;(i) allowances otherwise made in accordance with this scale (including allowances for attendances);(j) any other relevant matter.