9.4. The contract shall be in writing and indicate:(1) the names and addresses of the parties in legible characters;
(2) the date of the contract and the address at which it was signed;
(3) the nature of the real estate transaction in question;
(4) the cadastral designation and identification of the immovable in question, with the building erected thereon;
(5) its irrevocability, if such is the case;
(6) its exclusiveness, if such is the case;
(7) the time of its expiry;
(8) the purchase price, the exchange price or, as the case may be, the rental price of the immovable;
(9) the nature and method of payment of the broker’s remuneration;
(10) any obligation on the part of the broker to send the particulars of the contract to a multiple listing service or a similar service of a real estate board or of any other agency for the purposes of distribution to members subscribing to such a service;
(11) any other matter determined by regulation.