14b. No person shall, in any proceeding for an offence against
this Part of this Act, be excused from answering any question,
put either viva voce or by interrogatory, or from making any
discovery of documents, on the ground that the answer or discovery
may tend to criminate him or make him liable to a penalty; but
his answer shall not be admissible in evidence against him in
any civil or criminal proceeding other than a proceeding for an
offence against this Act or a prosecution for perjury.

l4c. In any proceeding for an offence against this Part of this
Act, wherein a combination or conspiracy or attempted combination
 or conspiracy in contravention of this Act is alleged, any
book document paper or writing containing —
a any minute note record or memorandum of any proceeding
at any meeting of the persons or any of the persons alleged
to have been parties or privy to the combination conspiracy
or attempt, or
any entry purporting to be a copy of or extract from any
such book document paper or writing.
shall, upon proof that it was produced by or came from the
custody of those persons or any of them, or of a responsible
officer or a representative of those persons or any of them, —
() be admissible in evidence against those persons; and
(ĳ) be evidence that the matter and things thereby appearing
to have been done by those persons or any of them were
so done, and that any person thereby appearing to have
been present at the meeting was so present.

L

14d. In any proceeding for an offence against this Part of this
Act, any book letter document paper or writing, or anything
purporting to be a copy of or extract from any book letter
document paper or writing, containing any reference to any matter
or thing alleged to be done in contravention of this Act, shall,
upon proof that it was produced by or came from the custody
of a person charged with the offence, or a responsible officer or
a representative of that person, ‚—
a be admissible in evidence against that person; and
b be evidence of the matters and things thereby appearing, and
that the book letter document paper or writing (or, in the
case of a copy, that the original thereof) was written signed