Section 56: Powers of investigation

56. Powers of investigation (1) Where a Judge in Chambers is satisfied by information on oath that there is reasonable ground to suspect that an offence under section 30, 33, 35, 36 or 39 has been or is likely to be committed, he may issue a warrant authorising any police officer to— (a) tap or place under surveillance, for a period not exceeding 6 months, the telephone lines used by persons suspected of participation in any of those offences; (b) have access to the computer systems used by persons suspected of participation in any of the offences referred to and place them under surveillance; (c) place a bank account under surveillance when it is suspected of being used for operations related to any of the offences referred to; (d) have access to all bank, financial and commercial records that may reasonably concern transactions related to any of those offences. (2) Notwithstanding any other enactment, no person shall, on grounds of professional secrecy or otherwise, refuse to comply with the requirements of a warrant issued under subsection (1).