(1) A transport safety officer has the functions and powers conferred on a transport safety officer under—
(a) this Act; and
(b) a transport safety or infrastructure law.
(2) In addition, a transport safety officer has the following functions—
(a) to provide information and advice about compliance with this Act or a transport safety or infrastructure law;
(b) to require compliance with this Act or a transport safety or infrastructure law through the issuing of notices;
(c) to investigate contraventions of this Act or a transport safety or infrastructure law;
(d) to assist in the prosecution of offences against this Act or a transport safety or infrastructure law.