(1) The
Interpretation Act 1984 section 49 authorises the performance of the functions
of the Chief Health Officer by a person acting under a designation under
section 14.
(2) The validity of
anything done by or in relation to a person purporting to act under a
designation under section 14 is not to be called into question on any of these
grounds —
(a) the
occasion for the designation had not arisen;
(b)
there is a defect or irregularity in the designation;
(c) the
designation had ceased to have effect;
(d) the
occasion for the person to act had not arisen or had ceased.