17. Attendance by other persons
The chairman of a meeting may —
(a) admit any person who has given reasonable notice of wishing to attend;
(b) decide what intervention, if any, may be made at —
(i) a meeting of creditors by any person attending who is not a creditor; or
(ii) a meeting of contributories by any person attending who is not a contributory; and
(c) decide what questions may be put to any person attending who is referred to in Section 255(2)(a) to (e) (Duty to co-operate with Office-holder).