(1) A person who is required to answer a question, or to discover or produce a document or thing, in defamation proceedings is not excused from answering the question or discovering or producing the document or thing on the ground that the answer to the question or the discovery or production of the document or thing might tend to incriminate the person of an offence of criminal defamation.
(2)
However, any answer given to a question, or document or thing discovered or
produced, by an individual in compliance with the requirement is not
admissible in evidence against the individual in proceedings for criminal
defamation.