25. New section 21a

The principal Act is amended by inserting after section 21

the following section:

“Disclosure of information 21a.  Nothing in this Act or in any regulations made under this Act shall require the Board, any member of the Board, any Inquiry Officer or any public servant to disclose facts or to produce documents which he considers—

to be against the public interest to disclose or produce; or

would compromise the protection of a witness, or his family or associates.”.