New South Wales Consolidated ActsThe Secretary may from time to time, by notice in writing served on the holder of an authorisation:
(a) vary a condition or restriction imposed in respect of the authorisation under section 21I (4) or paragraph (b),
(b) impose in respect of the authorisation such additional conditions and restrictions on that holder as appear to the Secretary necessary to preserve the health of the community, or
(c) revoke a condition or restriction imposed in respect of the authorisation under section 21I (4) or paragraph (b).