Every duty holder must review the safety report-
(a) every five years;
(b) prior to any change to the establishment; or
(c) whenever there is a change in the process safety management system which could have significant repercussions with respect to the prevention of major incidents or the limitation of the consequences of major incidents:
Provided that the updated copy of the safety report, revised under this subregulation, is sent to the chief inspector within 60 days.