s 57 Cancellation of security directive
57.—(1) The Commissioner may, at any time, cancel any security directive (or any part of the security directive) issued under this Part. (2) The cancellation of a security directive (or any part of the security directive) for any premises must be made by way of a written notice to the following persons:(a) in the case of a protected area or a protected place, the authority of that protected area or that protected place; (b) in the case of a special development or a special infrastructure, the responsible person of that special development or that special infrastructure; (c) in the case of any other premises, the owner of those premises. (3) To avoid doubt, the Commissioner is not required to give any person notice of, or consult any person on, the Commissioner’s intention to cancel any security directive (or any part of the security directive).