14.—(1) After the information specified in article 8 has been given to an entitled person in compliance with articles 6 or 7, a solicitor may charge interest on the unpaid amount of his costs plus any paid disbursements and value added tax, subject to paragraphs (2) and (3) below.
(2) Where an entitlement to interest arises under paragraph (1), and subject to any agreement made between a solicitor and client, the period for which interest may be charged may run from one month after the date of delivery of a bill, unless the solicitor fails to lodge an application within one month of receipt of a request for a remuneration certificate under article 4, in which case no interest is payable in respect of the period between one month after receiving the request and the actual date on which the application is lodged.
(3) Subject to any agreement made between a solicitor and client, the rate of interest must not exceed the rate for the time being payable on judgment debts.
(4) Interest charged under this article must be calculated, where applicable, by reference to the following:—
(a)if a solicitor is required to obtain a remuneration certificate, the total amount of the costs certified by the Council to be fair and reasonable plus paid disbursements and value added tax;
(b)if an application is made for the bill to be taxed, the amount ascertained on taxation;
(c)if an application is made for the bill to be taxed or a solicitor is required to obtain a remuneration certificate and for any reason the taxation or application for a remuneration certificate does not proceed, the unpaid amount of the costs shown in the bill or such lesser sum as may be agreed between the solicitor and the client, plus paid disbursements and value added tax.