(1) The Chief Commissioner may authorise any police officer or any person employed under the Public Administration Act 2004 to—
(a) charge a police officer or protective services officer under section 127 ; or
(b) inquire into and determine a charge under section 129.
(2) A person can be authorised under subsection (1)(a) or (b) or both, but the same authorised person cannot inquire into and determine a charge that he or she has laid.