Any vacancy on the marketing program committee which is occasioned by the expiration of term of office shall be filled from eligible lists of producers selected in each district obtained as provided in Sections 59721 to 59729, inclusive. Any vacancy which is occasioned by the death or resignation of any member, or by removal for incompetence, inattention, or neglect of duties as a member of the marketing program committee, by the director, or by a member who ceases to qualify as a producer or handler of the commodity which is concerned, shall be filled from persons who remain on the eligible lists of producers from which the appointments for the current term were made, or from new lists which are obtained as provided in Sections 59721 to 59729, inclusive.