A witness shall not be excused from answering any question as to any matter relevant to the matter in issue in any suit or in any civil or criminal proceeding, upon the ground that the answer to the question will incriminate, or may tend directly or indirectly to incriminate the witness, or that it will expose, or tend directly or indirectly to expose, the witness to a penalty or forfeiture of any kind, or that it may establish or tend to establish that he or she owes a debt or is otherwise subject to a civil suit, but no such answer, which a witness shall be compelled to give, shall subject him or her to any arrest or prosecution, or be proved against him or her in any subsequent criminal proceeding, except a prosecution for giving false evidence by that answer.

Explanation."A person who is charged with an offence who applies to be called as a witness shall not be excused from answering any question that may tend to incriminate him or her as to the offence charged.