“(1) five members, including the vice-chairman, are chosen from among the parents who, at the time of their appointment, have children who are provided with day care in a day care centre, in a nursery school, at home or at school, after consultation with the groups or bodies interested in child day care, and one of these parents must be the parent of a child who is a handicapped person within the meaning of the Act to secure the handicapped in the exercise of their rights (chapter E-20.1);”;