(1) The chief executive may give a direction described in subsection (2) to the persons described in section 248 if he or she reasonably suspects—
(2) The direction must be about imposing movement or related controls to determine, minimise, manage, or control the risk to human life or public health created by the suspected non-compliance or suspected existence of the hazard or the source of contamination.
(3) The controls may be imposed on all or any of the following:
(4) The controls on those things described in subsection (3) may do all or any of the following in relation to food or any thing that may become food:
(5) The directions must specify the suspected non-compliance, hazard, or source of contamination.
(6) The directions may specify the suspected non-compliance, hazard, or source of contamination by any means, including by reference to—
(8) The chief executive may approve a system under section 259 for giving directions under this section automatically when a specific occurrence indicates that controls are needed to minimise the risk created by the suspected non-compliance or the suspected existence of a specific hazard or a specific source of contamination.