3.08.05. An advocate shall provide the client with all explanations necessary to the understanding of the invoice or statement of fees and the terms and conditions of payment, except where a written agreement has been entered into with the client to receive a lump-sum payment or where he may reasonably assume that the client is already informed thereof.
R.R.Q., 1981, c. B-1, r. 1, s. 3.08.05; O.C. 351-2004, s. 57.