An employer must review the relevant ergonomic risk assessment made in accordance with subregulation (1) if-
(a) such assessment is no longer valid;
(b) control measures are no longer effective;
(c) technological or scientific advances allow for more effective control methods;
(d) there has been a change in-
(i) the work methods;
(ii) the type of work carried out; or (iii) the type of equipment used to control the exposure; and
(e) an incident occurs or medical surveillance reveals an adverse health effect, where ergonomic risks are identified as a contributing factor.