East African Community Court of Justice Rules of Procedure, 2019. (2) The fee to be allowed for instructions to appeal or oppose an appeal shall be such sum as the taxing officer shall consider reasonable, having regard to the amount involved in the appeal, its nature, importance and difficulty, the interests of the parties, the other costs to be allowed, the general conduct of the proceedings, the fund or person to bear the costs and all other relevant circumstances. (3) The sum allowed under sub-paragraph (2) shall include all work necessarily and properly done in connection with the appeal and not otherwise chargeable including attendances, correspondences, perusals and consulting authorities. (4) Other costs shall, subject to the provisions of paragraphs 10, 11 and 12 below, be awarded in accordance with the scale set out below. Fees for drawing documents. 10. The fee for drawing a document shall include the preparation of all copies for the use of the party drawing it and for filing and service. Taxation of bills. 11. (1) On taxation, the taxing officer shall allow such costs, charges and disbursements as shall appear to him to have been reasonably incurred for the attainment of justice but no costs shall be allowed which appears to the taxing officer to have been incurred through overpayment, extravagance, over-caution, negligence or mistake or by payment of special charges or expenses to witnesses or other persons or by other unusual expenses. (2) In taxing the costs of any appeal, the taxing officer shall disallow the costs of any matter improperly included in the record of appeal or in any supplementary record of appeal. Taxation of bills. Excessive claims. 12. If, after a bill of costs has been taxed, the taxing officer considers that, having regard to all the circumstances, the total of the bill before signing the certificate of taxation is excessive, he may make such a deduction from the total as will in his opinion render the sum reasonable. 13. If more than one quarter of the profit costs claimed is disallowed on taxation the costs of drawing, filing and serving the bill and of attending taxation shall be disallowed. 124