The magistrate may make an enforcement order against the person only if the magistrate is satisfied—
(a) a public health order was given to the person; and
(b) the public health order was appropriate in the circumstances having regard to the nature and seriousness of the risk to public health from the public health risk at the time the order was given; and
(c) the person has contravened the public health order; and
(d) notice under section 25 has been given to the person.