3.08.03. A hearing-aid acoustician must provide his patient with all the explanations necessary to the understanding of his statement of fees and of the terms and conditions of payment. His statement of fees must include:(a) his name, the address and telephone number of his consulting-room and the date of the statement;
(b) the brand name, model, type and serial number of the hearing-aid, the number of the battery, the type of earmold;
(c) the nature of the services rendered, a description of the guarantee for the hearing-aid, the total amount of the statement including the cost of the hearing-aid and the method of payment.