In case of changes in the activities carried out or in the applicable legal requirements for labour protection, industrial safety and other requirements of stakeholders; — After the occurrence of accidents (microtrauma, accidents, occupational diseases, incidents and outages); — In case of discrepancy (individual work); — When engaging in the performance of work of a new contracting organisation; — When revising the instructions on labour protection; — In case of technology changes, introduction of new technical devices.