(1) A third person who has accepted the commission mentioned in Article 1093, must designate an executor without delay after he has knowledge of the commission, and he must give notice thereof to the inheritors. If he desires to decline such commission, he must give notice of such declination to the inheritors.
(2) An inheritor and any other interested person may, by fixing a reasonable period, give a peremptory notice to the person who has been commissioned to designate an executor within such period. If no notice of the designation by the person commissioned has been given within such period, he shall be deemed to have declined such commission to designate an executor.