16. Every auditor of a trade union or an employers' association—
(a)shall have a right of access at all times to its accounting records and to all other documents relating to its affairs; and
(b)shall be entitled to require from its officers, or the officers of any of its branches or sections, such information and explanations as he thinks necessary for the performance of his duties as auditor.
17. Every auditor of a trade union or an employers' association shall be entitled—
(a)to attend any general meetings of its members, or of delegates of its members, and to receive all notices of and other communications relating to any general meeting which any such member or delegate is entitled to receive; and
(b)to be heard at any meeting which he attends on any part of the business of the meeting which concerns him as auditor.