(1) If the Chief Health Officer believes it is necessary for the investigation of whether there is a risk to public health, or for the management or control of a risk to public health, the Chief Health Officer may, by writing, request a person to do any of the following—
(a) conduct further analysis of a sample or isolate;
(b) transfer a sample or isolate to a laboratory specified in the written request for further analysis;
(c) notify the Chief Health Officer of the results of the requested analysis;
(d) report any information in relation to the requested analysis in accordance with any reporting requirements specified in the written request.
(2) A person may refuse to comply with a request under subsection (1).
(3) The Chief Health Officer must at the time of making a request under subsection (1) advise the person that the person may refuse to comply with the request.