(5) Every public officer referred to in subsection (4) shall be under the administrative control of the Commissioner. Sub-Part B – Functions and Powers of Commissioner 5. Functions of Commissioner The Commissioner shall – (a) ensure compliance with this Act and any regulations made under it; (b) issue or approve such Codes of Practice or Guidelines for the purposes of this Act as he thinks fit; (c) maintain a register of controllers and processors; (d) exercise control on all data processing operations, either of his own motion or at the request of a data subject, and verify whether the processing of data is done in accordance with this Act; (e) promote self-regulation among controllers and processors; (f) investigate any complaint or information which gives rise to a suspicion that an offence may have been, is being or is about to be, committed under this Act; (g) take such measures as may be necessary to bring the provisions of this Act to the knowledge of the general public; (h) undertake research into, and monitor developments in, data processing, and ensure that there is no significant