Act 7 Electronic Signatures Act (a) by his employee in the course of his employment; 2011 (b) by the agent when acting on his behalf; or (c) by the employee of such agent in the course of his employment by such agent or otherwise on behalf of the agent. 84. Authorised officer. An authorised officer may exercise the powers of enforcement under this Act. 85. Power to investigate. (1) The Controller may investigate the activities of a certification service provider material to its compliance with this Act. (2) For the purposes of subsection (1), the Controller may issue orders to a certification service provider to further its investigation and secure compliance with this Act. (3) Further, in any case relating to the commission of an offence under this Act, any authorised officer carrying on an investigation may exercise all or any of the special powers in relation to police investigation in all cases given by the Criminal Procedure Code. 86. Search by warrant. (1) If it appears to a Magistrate, upon written information on oath and after such inquiry as he or she considers necessary, that there is reasonable cause to believe that an offence under this Act is being or has been committed on any premises, the Magistrate may issue a warrant authorising any police officer not below the rank of Inspector or any authorised officer named in the warrant, to enter the premises at any reasonable time by day or by night, with or without assistance and if need be by force, to search for and seize— (a) copies of any books, accounts or other documents, including computerized data, which contain or are reasonably suspected to contain information as to any offence so suspected to have been committed; 49