29. In its award, the council of arbitration may decide the arbitration expenses, that is, the expenses incurred by the Bar for the arbitration. The total amount of the expenses shall not exceed 15% of the amount to which the arbitration pertains.
The council of arbitration may also, where the account in dispute is upheld in whole or in part, or where a reimbursement is granted, add thereto, from the date of the application for conciliation, interest in accordance with article 1618 of the Civil Code and an indemnity calculated in accordance with article 1619 thereof.