(1) A transport safety officer may give a direction under this Part orally or in writing.
(2) If giving a direction orally, the transport safety officer giving the direction—
(a) must state whether it is to be complied with immediately or within a specified period; and
(b) must warn the person to whom the direction is given that it is an offence under this Act to fail to comply with a direction.
(3) If giving a direction in writing, the transport safety officer must ensure that the direction—
(a) states the period within which it is to be complied with; and
(b) states that it is an offence under this Act to fail to comply with a direction.
(4) A written direction may be given to, or sent by post to, the person to whom it is directed.