24 Laws of Malaysia ACT 747 Non-production of exhibit 23. The non-production of the actual exhibit protected under sections 8 and 11 shall not be prejudicial to the prosecution’s case. Admissibility of intercepted communications and monitoring, tracking or surveillance information 24. (1) Where a person is charged for a security offence, any information obtained through an interception of communication under section 6 whether before or after such person is charged shall, subject to subsection (2), be admissible at his trial in evidence. (2) The information obtained through an interception of communication under section 6 shall only be admissible where tendered under a certificate by the Public Prosecutor stating that the information so obtained had been authorized by the Public Prosecutor. (3) A certificate by the Public Prosecutor issued under subsection (2) together with any document or thing that may be exhibited or annexed to the certificate shall be conclusive evidence that the interception or communication had been so authorized, and such certificate shall be admissible in evidence without proof of signature of the Public Prosecutor. (4) No person or police officer shall be under any duty, obligation or liability or be in any manner compelled to disclose in any proceedings the procedure, method, manner or the means or devices used with regard to— (a) anything done under section 6; and (b) any matter relating to the monitoring, tracking or surveillance of any person.