activities? A7 Does the firm perform post-issuance reviews of selected engagements as part of its monitoring procedures? If yes, please provide us with the method for selecting engagement to review

risk levels? How many level of magnitudes are there and what are the definitions for each magnitude risk levels? - Please provide the calculation method to determine the final quality risk level as well

systems. This may include different modes of land transport, such as: • by motorbus, • tramway, • streetcar, • trolley bus, • underground • elevated railways etc. The transport is carried out on scheduled